261078911

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{4253}}^1$

素因数の和:4450

約数の個数: 16

約数和(自身を含む): 290361024

約数和(自身を除く): 29282113

約数列:

[1, 17, 23, 157, 391, 2669, 3611, 4253, 61387, 72301, 97819, 667721, 1662923, 11351257, 15357583, 261078911]

約数ペア:

[(1, 261078911), (17, 15357583), (23, 11351257), (157, 1662923), (391, 667721), (2669, 97819), (3611, 72301), (4253, 61387)]