1280852495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{1609}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 1706187840

約数和(自身を除く): 425335345

約数列:

[1, 5, 13, 37, 65, 185, 331, 481, 1609, 1655, 2405, 4303, 8045, 12247, 20917, 21515, 59533, 61235, 104585, 159211, 297665, 532579, 773929, 796055, 2662895, 3869645, 6923527, 19705423, 34617635, 98527115, 256170499, 1280852495]

約数ペア:

[(1, 1280852495), (5, 256170499), (13, 98527115), (37, 34617635), (65, 19705423), (185, 6923527), (331, 3869645), (481, 2662895), (1609, 796055), (1655, 773929), (2405, 532579), (4303, 297665), (8045, 159211), (12247, 104585), (20917, 61235), (21515, 59533)]