1290276065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{59971}}^1$

素因数の和:60320

約数の個数: 16

約数和(自身を含む): 1672499136

約数和(自身を除く): 382223071

約数列:

[1, 5, 13, 65, 331, 1655, 4303, 21515, 59971, 299855, 779623, 3898115, 19850401, 99252005, 258055213, 1290276065]

約数ペア:

[(1, 1290276065), (5, 258055213), (13, 99252005), (65, 19850401), (331, 3898115), (1655, 779623), (4303, 299855), (21515, 59971)]