81264911

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 107025408

約数和(自身を除く): 25760497

約数列:

[1, 7, 13, 23, 41, 91, 161, 287, 299, 533, 943, 947, 2093, 3731, 6601, 6629, 12259, 12311, 21781, 38827, 85813, 86177, 152467, 271789, 283153, 504751, 893021, 1982071, 3533257, 6251147, 11609273, 81264911]

約数ペア:

[(1, 81264911), (7, 11609273), (13, 6251147), (23, 3533257), (41, 1982071), (91, 893021), (161, 504751), (287, 283153), (299, 271789), (533, 152467), (943, 86177), (947, 85813), (2093, 38827), (3731, 21781), (6601, 12311), (6629, 12259)]