80520769

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1931}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 100433088

約数和(自身を除く): 19912319

約数列:

[1, 7, 23, 37, 49, 161, 259, 851, 1127, 1813, 1931, 5957, 13517, 41699, 44413, 71447, 94619, 310891, 500129, 1643281, 2176237, 3500903, 11502967, 80520769]

約数ペア:

[(1, 80520769), (7, 11502967), (23, 3500903), (37, 2176237), (49, 1643281), (161, 500129), (259, 310891), (851, 94619), (1127, 71447), (1813, 44413), (1931, 41699), (5957, 13517)]