987605864

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{1471}}^1$

素因数の和:2134

約数の個数: 64

約数和(自身を含む): 2232729600

約数和(自身を除く): 1245123736

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 631, 1064, 1262, 1471, 2524, 2942, 4417, 5048, 5884, 8834, 10297, 11768, 11989, 17668, 20594, 23978, 27949, 35336, 41188, 47956, 55898, 82376, 83923, 95912, 111796, 167846, 195643, 223592, 335692, 391286, 671384, 782572, 928201, 1565144, 1856402, 3712804, 6497407, 7425608, 12994814, 17635819, 25989628, 35271638, 51979256, 70543276, 123450733, 141086552, 246901466, 493802932, 987605864]

約数ペア:

[(1, 987605864), (2, 493802932), (4, 246901466), (7, 141086552), (8, 123450733), (14, 70543276), (19, 51979256), (28, 35271638), (38, 25989628), (56, 17635819), (76, 12994814), (133, 7425608), (152, 6497407), (266, 3712804), (532, 1856402), (631, 1565144), (1064, 928201), (1262, 782572), (1471, 671384), (2524, 391286), (2942, 335692), (4417, 223592), (5048, 195643), (5884, 167846), (8834, 111796), (10297, 95912), (11768, 83923), (11989, 82376), (17668, 55898), (20594, 47956), (23978, 41188), (27949, 35336)]