639340968

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{39233}}^1$

素因数の和:39346

約数の個数: 64

約数和(自身を含む): 1845567360

約数和(自身を除く): 1206226392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 97, 168, 194, 291, 388, 582, 679, 776, 1164, 1358, 2037, 2328, 2716, 4074, 5432, 8148, 16296, 39233, 78466, 117699, 156932, 235398, 274631, 313864, 470796, 549262, 823893, 941592, 1098524, 1647786, 2197048, 3295572, 3805601, 6591144, 7611202, 11416803, 15222404, 22833606, 26639207, 30444808, 45667212, 53278414, 79917621, 91334424, 106556828, 159835242, 213113656, 319670484, 639340968]

約数ペア:

[(1, 639340968), (2, 319670484), (3, 213113656), (4, 159835242), (6, 106556828), (7, 91334424), (8, 79917621), (12, 53278414), (14, 45667212), (21, 30444808), (24, 26639207), (28, 22833606), (42, 15222404), (56, 11416803), (84, 7611202), (97, 6591144), (168, 3805601), (194, 3295572), (291, 2197048), (388, 1647786), (582, 1098524), (679, 941592), (776, 823893), (1164, 549262), (1358, 470796), (2037, 313864), (2328, 274631), (2716, 235398), (4074, 156932), (5432, 117699), (8148, 78466), (16296, 39233)]