128175992

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61861}}^1$

素因数の和:61911

約数の個数: 32

約数和(自身を含む): 282090720

約数和(自身を除く): 153914728

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 61861, 123722, 247444, 433027, 494888, 866054, 1732108, 2288857, 3464216, 4577714, 9155428, 16021999, 18310856, 32043998, 64087996, 128175992]

約数ペア:

[(1, 128175992), (2, 64087996), (4, 32043998), (7, 18310856), (8, 16021999), (14, 9155428), (28, 4577714), (37, 3464216), (56, 2288857), (74, 1732108), (148, 866054), (259, 494888), (296, 433027), (518, 247444), (1036, 123722), (2072, 61861)]