161964551

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1049}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 198223200

約数和(自身を除く): 36258649

約数列:

[1, 7, 23, 49, 137, 161, 959, 1049, 1127, 3151, 6713, 7343, 22057, 24127, 51401, 143713, 154399, 168889, 1005991, 1182223, 3305399, 7041937, 23137793, 161964551]

約数ペア:

[(1, 161964551), (7, 23137793), (23, 7041937), (49, 3305399), (137, 1182223), (161, 1005991), (959, 168889), (1049, 154399), (1127, 143713), (3151, 51401), (6713, 24127), (7343, 22057)]