156740425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{368801}}^1$

素因数の和:368828

約数の個数: 12

約数和(自身を含む): 205791516

約数和(自身を除く): 49051091

約数列:

[1, 5, 17, 25, 85, 425, 368801, 1844005, 6269617, 9220025, 31348085, 156740425]

約数ペア:

[(1, 156740425), (5, 31348085), (17, 9220025), (25, 6269617), (85, 1844005), (425, 368801)]