31142748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 95585280

約数和(自身を除く): 64442532

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 79, 84, 91, 114, 133, 156, 158, 182, 228, 237, 247, 266, 273, 316, 361, 364, 399, 474, 494, 532, 546, 553, 722, 741, 798, 948, 988, 1027, 1083, 1092, 1106, 1444, 1482, 1501, 1596, 1659, 1729, 2054, 2166, 2212, 2527, 2964, 3002, 3081, 3318, 3458, 4108, 4332, 4503, 4693, 5054, 5187, 6004, 6162, 6636, 6916, 7189, 7581, 9006, 9386, 10108, 10374, 10507, 12324, 14079, 14378, 15162, 18012, 18772, 19513, 20748, 21014, 21567, 28158, 28519, 28756, 30324, 31521, 32851, 39026, 42028, 43134, 56316, 57038, 58539, 63042, 65702, 78052, 85557, 86268, 98553, 114076, 117078, 126084, 131404, 136591, 171114, 197106, 199633, 234156, 273182, 342228, 370747, 394212, 399266, 409773, 546364, 598899, 741494, 798532, 819546, 1112241, 1197798, 1482988, 1639092, 2224482, 2395596, 2595229, 4448964, 5190458, 7785687, 10380916, 15571374, 31142748]

約数ペア:

[(1, 31142748), (2, 15571374), (3, 10380916), (4, 7785687), (6, 5190458), (7, 4448964), (12, 2595229), (13, 2395596), (14, 2224482), (19, 1639092), (21, 1482988), (26, 1197798), (28, 1112241), (38, 819546), (39, 798532), (42, 741494), (52, 598899), (57, 546364), (76, 409773), (78, 399266), (79, 394212), (84, 370747), (91, 342228), (114, 273182), (133, 234156), (156, 199633), (158, 197106), (182, 171114), (228, 136591), (237, 131404), (247, 126084), (266, 117078), (273, 114076), (316, 98553), (361, 86268), (364, 85557), (399, 78052), (474, 65702), (494, 63042), (532, 58539), (546, 57038), (553, 56316), (722, 43134), (741, 42028), (798, 39026), (948, 32851), (988, 31521), (1027, 30324), (1083, 28756), (1092, 28519), (1106, 28158), (1444, 21567), (1482, 21014), (1501, 20748), (1596, 19513), (1659, 18772), (1729, 18012), (2054, 15162), (2166, 14378), (2212, 14079), (2527, 12324), (2964, 10507), (3002, 10374), (3081, 10108), (3318, 9386), (3458, 9006), (4108, 7581), (4332, 7189), (4503, 6916), (4693, 6636), (5054, 6162), (5187, 6004)]