128210007890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1867}}^1\times {\mathrm{403951}}^1$

素因数の和:405842

約数の個数: 32

約数和(自身を含む): 244484676864

約数和(自身を除く): 116274668974

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1867, 3734, 9335, 18670, 31739, 63478, 158695, 317390, 403951, 807902, 2019755, 4039510, 6867167, 13734334, 34335835, 68671670, 754176517, 1508353034, 3770882585, 7541765170, 12821000789, 25642001578, 64105003945, 128210007890]

約数ペア:

[(1, 128210007890), (2, 64105003945), (5, 25642001578), (10, 12821000789), (17, 7541765170), (34, 3770882585), (85, 1508353034), (170, 754176517), (1867, 68671670), (3734, 34335835), (9335, 13734334), (18670, 6867167), (31739, 4039510), (63478, 2019755), (158695, 807902), (317390, 403951)]