256493255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{593}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 337867200

約数和(自身を除く): 81373945

約数列:

[1, 5, 19, 29, 95, 145, 157, 551, 593, 785, 2755, 2965, 2983, 4553, 11267, 14915, 17197, 22765, 56335, 85985, 86507, 93101, 326743, 432535, 465505, 1633715, 1768919, 2699929, 8844595, 13499645, 51298651, 256493255]

約数ペア:

[(1, 256493255), (5, 51298651), (19, 13499645), (29, 8844595), (95, 2699929), (145, 1768919), (157, 1633715), (551, 465505), (593, 432535), (785, 326743), (2755, 93101), (2965, 86507), (2983, 85985), (4553, 56335), (11267, 22765), (14915, 17197)]