78721924

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 139912920

約数和(自身を除く): 61190996

約数列:

[1, 2, 4, 89, 178, 356, 397, 557, 794, 1114, 1588, 2228, 35333, 49573, 70666, 99146, 141332, 198292, 221129, 442258, 884516, 19680481, 39360962, 78721924]

約数ペア:

[(1, 78721924), (2, 39360962), (4, 19680481), (89, 884516), (178, 442258), (356, 221129), (397, 198292), (557, 141332), (794, 99146), (1114, 70666), (1588, 49573), (2228, 35333)]