260720354

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{30253}}^1$

素因数の和:30425

約数の個数: 16

約数和(自身を含む): 406613760

約数和(自身を除く): 145893406

約数列:

[1, 2, 31, 62, 139, 278, 4309, 8618, 30253, 60506, 937843, 1875686, 4205167, 8410334, 130360177, 260720354]

約数ペア:

[(1, 260720354), (2, 130360177), (31, 8410334), (62, 4205167), (139, 1875686), (278, 937843), (4309, 60506), (8618, 30253)]