90880868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{12757}}^1$

素因数の和:12911

約数の個数: 24

約数和(自身を含む): 172539192

約数和(自身を除く): 81658324

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124, 12757, 25514, 51028, 165841, 331682, 663364, 1747709, 3495418, 6990836, 22720217, 45440434, 90880868]

約数ペア:

[(1, 90880868), (2, 45440434), (4, 22720217), (13, 6990836), (26, 3495418), (52, 1747709), (137, 663364), (274, 331682), (548, 165841), (1781, 51028), (3562, 25514), (7124, 12757)]