31838690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4621}}^1$

素因数の和:4694

約数の個数: 32

約数和(自身を含む): 62896176

約数和(自身を除く): 31057486

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 4621, 6890, 9242, 23105, 46210, 60073, 120146, 244913, 300365, 489826, 600730, 1224565, 2449130, 3183869, 6367738, 15919345, 31838690]

約数ペア:

[(1, 31838690), (2, 15919345), (5, 6367738), (10, 3183869), (13, 2449130), (26, 1224565), (53, 600730), (65, 489826), (106, 300365), (130, 244913), (265, 120146), (530, 60073), (689, 46210), (1378, 23105), (3445, 9242), (4621, 6890)]