81379172

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{49261}}^1$

素因数の和:49331

約数の個数: 24

約数和(自身を含む): 165520320

約数和(自身を除く): 84141148

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 49261, 98522, 197044, 344827, 689654, 1379308, 2906399, 5812798, 11625596, 20344793, 40689586, 81379172]

約数ペア:

[(1, 81379172), (2, 40689586), (4, 20344793), (7, 11625596), (14, 5812798), (28, 2906399), (59, 1379308), (118, 689654), (236, 344827), (413, 197044), (826, 98522), (1652, 49261)]