991023984

素因数分解:

$2^4\times 3^5\times {\mathrm{37}}^1\times {\mathrm{83}}^2$

素因数の和:226

約数の個数: 180

約数和(自身を含む): 2989966616

約数和(自身を除く): 1998942632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 81, 83, 108, 111, 144, 148, 162, 166, 216, 222, 243, 249, 296, 324, 332, 333, 432, 444, 486, 498, 592, 648, 664, 666, 747, 888, 972, 996, 999, 1296, 1328, 1332, 1494, 1776, 1944, 1992, 1998, 2241, 2664, 2988, 2997, 3071, 3888, 3984, 3996, 4482, 5328, 5976, 5994, 6142, 6723, 6889, 7992, 8964, 8991, 9213, 11952, 11988, 12284, 13446, 13778, 15984, 17928, 17982, 18426, 20169, 20667, 23976, 24568, 26892, 27556, 27639, 35856, 35964, 36852, 40338, 41334, 47952, 49136, 53784, 55112, 55278, 62001, 71928, 73704, 80676, 82668, 82917, 107568, 110224, 110556, 124002, 143856, 147408, 161352, 165336, 165834, 186003, 221112, 248004, 248751, 254893, 322704, 330672, 331668, 372006, 442224, 496008, 497502, 509786, 558009, 663336, 744012, 746253, 764679, 992016, 995004, 1019572, 1116018, 1326672, 1488024, 1492506, 1529358, 1674027, 1990008, 2039144, 2232036, 2294037, 2976048, 2985012, 3058716, 3348054, 3980016, 4078288, 4464072, 4588074, 5970024, 6117432, 6696108, 6882111, 8928144, 9176148, 11940048, 12234864, 13392216, 13764222, 18352296, 20646333, 26784432, 27528444, 36704592, 41292666, 55056888, 61938999, 82585332, 110113776, 123877998, 165170664, 247755996, 330341328, 495511992, 991023984]

約数ペア:

[(1, 991023984), (2, 495511992), (3, 330341328), (4, 247755996), (6, 165170664), (8, 123877998), (9, 110113776), (12, 82585332), (16, 61938999), (18, 55056888), (24, 41292666), (27, 36704592), (36, 27528444), (37, 26784432), (48, 20646333), (54, 18352296), (72, 13764222), (74, 13392216), (81, 12234864), (83, 11940048), (108, 9176148), (111, 8928144), (144, 6882111), (148, 6696108), (162, 6117432), (166, 5970024), (216, 4588074), (222, 4464072), (243, 4078288), (249, 3980016), (296, 3348054), (324, 3058716), (332, 2985012), (333, 2976048), (432, 2294037), (444, 2232036), (486, 2039144), (498, 1990008), (592, 1674027), (648, 1529358), (664, 1492506), (666, 1488024), (747, 1326672), (888, 1116018), (972, 1019572), (996, 995004), (999, 992016), (1296, 764679), (1328, 746253), (1332, 744012), (1494, 663336), (1776, 558009), (1944, 509786), (1992, 497502), (1998, 496008), (2241, 442224), (2664, 372006), (2988, 331668), (2997, 330672), (3071, 322704), (3888, 254893), (3984, 248751), (3996, 248004), (4482, 221112), (5328, 186003), (5976, 165834), (5994, 165336), (6142, 161352), (6723, 147408), (6889, 143856), (7992, 124002), (8964, 110556), (8991, 110224), (9213, 107568), (11952, 82917), (11988, 82668), (12284, 80676), (13446, 73704), (13778, 71928), (15984, 62001), (17928, 55278), (17982, 55112), (18426, 53784), (20169, 49136), (20667, 47952), (23976, 41334), (24568, 40338), (26892, 36852), (27556, 35964), (27639, 35856)]