191131031

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 242350080

約数和(自身を除く): 51219049

約数列:

[1, 7, 13, 59, 91, 97, 367, 413, 679, 767, 1261, 2569, 4771, 5369, 5723, 8827, 21653, 33397, 35599, 40061, 74399, 151571, 249193, 281489, 462787, 520793, 1970423, 2100341, 3239509, 14702387, 27304433, 191131031]

約数ペア:

[(1, 191131031), (7, 27304433), (13, 14702387), (59, 3239509), (91, 2100341), (97, 1970423), (367, 520793), (413, 462787), (679, 281489), (767, 249193), (1261, 151571), (2569, 74399), (4771, 40061), (5369, 35599), (5723, 33397), (8827, 21653)]