259385815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1511}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 355622400

約数和(自身を除く): 96236585

約数列:

[1, 5, 13, 19, 65, 95, 139, 247, 695, 1235, 1511, 1807, 2641, 7555, 9035, 13205, 19643, 28709, 34333, 98215, 143545, 171665, 210029, 373217, 1050145, 1866085, 2730377, 3990551, 13651885, 19952755, 51877163, 259385815]

約数ペア:

[(1, 259385815), (5, 51877163), (13, 19952755), (19, 13651885), (65, 3990551), (95, 2730377), (139, 1866085), (247, 1050145), (695, 373217), (1235, 210029), (1511, 171665), (1807, 143545), (2641, 98215), (7555, 34333), (9035, 28709), (13205, 19643)]