128602690

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{154943}}^1$

素因数の和:155033

約数の個数: 16

約数和(自身を含む): 234275328

約数和(自身を除く): 105672638

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 154943, 309886, 774715, 1549430, 12860269, 25720538, 64301345, 128602690]

約数ペア:

[(1, 128602690), (2, 64301345), (5, 25720538), (10, 12860269), (83, 1549430), (166, 774715), (415, 309886), (830, 154943)]