78656356

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{419}}^1\times {\mathrm{661}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 140132160

約数和(自身を除く): 61475804

約数列:

[1, 2, 4, 71, 142, 284, 419, 661, 838, 1322, 1676, 2644, 29749, 46931, 59498, 93862, 118996, 187724, 276959, 553918, 1107836, 19664089, 39328178, 78656356]

約数ペア:

[(1, 78656356), (2, 39328178), (4, 19664089), (71, 1107836), (142, 553918), (284, 276959), (419, 187724), (661, 118996), (838, 93862), (1322, 59498), (1676, 46931), (2644, 29749)]