78724996

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{90697}}^1$

素因数の和:90739

約数の個数: 24

約数和(自身を含む): 162530816

約数和(自身を除く): 83805820

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 90697, 181394, 362788, 634879, 1269758, 2539516, 2811607, 5623214, 11246428, 19681249, 39362498, 78724996]

約数ペア:

[(1, 78724996), (2, 39362498), (4, 19681249), (7, 11246428), (14, 5623214), (28, 2811607), (31, 2539516), (62, 1269758), (124, 634879), (217, 362788), (434, 181394), (868, 90697)]