68415158

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 51335242

約数列:

[1, 2, 7, 14, 107, 109, 214, 218, 419, 749, 763, 838, 1498, 1526, 2933, 5866, 11663, 23326, 44833, 45671, 81641, 89666, 91342, 163282, 313831, 319697, 627662, 639394, 4886797, 9773594, 34207579, 68415158]

約数ペア:

[(1, 68415158), (2, 34207579), (7, 9773594), (14, 4886797), (107, 639394), (109, 627662), (214, 319697), (218, 313831), (419, 163282), (749, 91342), (763, 89666), (838, 81641), (1498, 45671), (1526, 44833), (2933, 23326), (5866, 11663)]