12921506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9377}}^1$

素因数の和:9445

約数の個数: 16

約数和(自身を含む): 21269304

約数和(自身を除く): 8347798

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 9377, 18754, 121901, 243802, 496981, 993962, 6460753, 12921506]

約数ペア:

[(1, 12921506), (2, 6460753), (13, 993962), (26, 496981), (53, 243802), (106, 121901), (689, 18754), (1378, 9377)]