128412856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{112249}}^1$

素因数の和:112279

約数の個数: 32

約数和(自身を含む): 282870000

約数和(自身を除く): 154457144

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 112249, 224498, 448996, 897992, 1234739, 1459237, 2469478, 2918474, 4938956, 5836948, 9877912, 11673896, 16051607, 32103214, 64206428, 128412856]

約数ペア:

[(1, 128412856), (2, 64206428), (4, 32103214), (8, 16051607), (11, 11673896), (13, 9877912), (22, 5836948), (26, 4938956), (44, 2918474), (52, 2469478), (88, 1459237), (104, 1234739), (143, 897992), (286, 448996), (572, 224498), (1144, 112249)]