11978239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 15805440

約数和(自身を除く): 3827201

約数列:

[1, 7, 13, 23, 59, 91, 97, 161, 299, 413, 679, 767, 1261, 1357, 2093, 2231, 5369, 5723, 8827, 9499, 15617, 17641, 29003, 40061, 74399, 123487, 131629, 203021, 520793, 921403, 1711177, 11978239]

約数ペア:

[(1, 11978239), (7, 1711177), (13, 921403), (23, 520793), (59, 203021), (91, 131629), (97, 123487), (161, 74399), (299, 40061), (413, 29003), (679, 17641), (767, 15617), (1261, 9499), (1357, 8827), (2093, 5723), (2231, 5369)]