90840490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{698773}}^1$

素因数の和:698793

約数の個数: 16

約数和(自身を含む): 176091048

約数和(自身を除く): 85250558

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 698773, 1397546, 3493865, 6987730, 9084049, 18168098, 45420245, 90840490]

約数ペア:

[(1, 90840490), (2, 45420245), (5, 18168098), (10, 9084049), (13, 6987730), (26, 3493865), (65, 1397546), (130, 698773)]