128451788

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 239500800

約数和(自身を除く): 111049012

約数列:

[1, 2, 4, 29, 58, 79, 107, 116, 131, 158, 214, 262, 316, 428, 524, 2291, 3103, 3799, 4582, 6206, 7598, 8453, 9164, 10349, 12412, 14017, 15196, 16906, 20698, 28034, 33812, 41396, 56068, 245137, 300121, 406493, 490274, 600242, 812986, 980548, 1107343, 1200484, 1625972, 2214686, 4429372, 32112947, 64225894, 128451788]

約数ペア:

[(1, 128451788), (2, 64225894), (4, 32112947), (29, 4429372), (58, 2214686), (79, 1625972), (107, 1200484), (116, 1107343), (131, 980548), (158, 812986), (214, 600242), (262, 490274), (316, 406493), (428, 300121), (524, 245137), (2291, 56068), (3103, 41396), (3799, 33812), (4582, 28034), (6206, 20698), (7598, 16906), (8453, 15196), (9164, 14017), (10349, 12412)]