639351258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:396

約数の個数: 128

約数和(自身を含む): 1625702400

約数和(自身を除く): 986351142

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 59, 78, 89, 91, 118, 177, 178, 182, 223, 267, 273, 354, 413, 446, 534, 546, 623, 669, 767, 826, 1157, 1239, 1246, 1338, 1534, 1561, 1869, 2301, 2314, 2478, 2899, 3122, 3471, 3738, 4602, 4683, 5251, 5369, 5798, 6942, 8099, 8697, 9366, 10502, 10738, 13157, 15753, 16107, 16198, 17394, 19847, 20293, 24297, 26314, 31506, 32214, 36757, 39471, 39694, 40586, 48594, 59541, 60879, 68263, 73514, 78942, 92099, 110271, 119082, 121758, 136526, 138929, 171041, 184198, 204789, 220542, 258011, 276297, 277858, 342082, 409578, 416787, 477841, 513123, 516022, 552594, 774033, 833574, 955682, 1026246, 1170973, 1197287, 1433523, 1548066, 1806077, 2341946, 2394574, 2867046, 3512919, 3591861, 3612154, 5418231, 7025838, 7183722, 8196811, 10836462, 15222649, 16393622, 24590433, 30445298, 45667947, 49180866, 91335894, 106558543, 213117086, 319675629, 639351258]

約数ペア:

[(1, 639351258), (2, 319675629), (3, 213117086), (6, 106558543), (7, 91335894), (13, 49180866), (14, 45667947), (21, 30445298), (26, 24590433), (39, 16393622), (42, 15222649), (59, 10836462), (78, 8196811), (89, 7183722), (91, 7025838), (118, 5418231), (177, 3612154), (178, 3591861), (182, 3512919), (223, 2867046), (267, 2394574), (273, 2341946), (354, 1806077), (413, 1548066), (446, 1433523), (534, 1197287), (546, 1170973), (623, 1026246), (669, 955682), (767, 833574), (826, 774033), (1157, 552594), (1239, 516022), (1246, 513123), (1338, 477841), (1534, 416787), (1561, 409578), (1869, 342082), (2301, 277858), (2314, 276297), (2478, 258011), (2899, 220542), (3122, 204789), (3471, 184198), (3738, 171041), (4602, 138929), (4683, 136526), (5251, 121758), (5369, 119082), (5798, 110271), (6942, 92099), (8099, 78942), (8697, 73514), (9366, 68263), (10502, 60879), (10738, 59541), (13157, 48594), (15753, 40586), (16107, 39694), (16198, 39471), (17394, 36757), (19847, 32214), (20293, 31506), (24297, 26314)]