28031549

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 8740291

約数列:

[1, 7, 13, 23, 59, 91, 161, 227, 299, 413, 767, 1357, 1589, 2093, 2951, 5221, 5369, 9499, 13393, 17641, 20657, 36547, 67873, 93751, 123487, 174109, 308039, 475111, 1218763, 2156273, 4004507, 28031549]

約数ペア:

[(1, 28031549), (7, 4004507), (13, 2156273), (23, 1218763), (59, 475111), (91, 308039), (161, 174109), (227, 123487), (299, 93751), (413, 67873), (767, 36547), (1357, 20657), (1589, 17641), (2093, 13393), (2951, 9499), (5221, 5369)]