77721497

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 93779136

約数和(自身を除く): 16057639

約数列:

[1, 7, 37, 49, 163, 259, 263, 1141, 1813, 1841, 6031, 7987, 9731, 12887, 42217, 42869, 68117, 295519, 300083, 476819, 1586153, 2100581, 11103071, 77721497]

約数ペア:

[(1, 77721497), (7, 11103071), (37, 2100581), (49, 1586153), (163, 476819), (259, 300083), (263, 295519), (1141, 68117), (1813, 42869), (1841, 42217), (6031, 12887), (7987, 9731)]