156816985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 208615680

約数和(自身を除く): 51798695

約数列:

[1, 5, 13, 59, 65, 103, 295, 397, 515, 767, 1339, 1985, 3835, 5161, 6077, 6695, 23423, 25805, 30385, 40891, 79001, 117115, 204455, 304499, 395005, 531583, 1522495, 2412569, 2657915, 12062845, 31363397, 156816985]

約数ペア:

[(1, 156816985), (5, 31363397), (13, 12062845), (59, 2657915), (65, 2412569), (103, 1522495), (295, 531583), (397, 395005), (515, 304499), (767, 204455), (1339, 117115), (1985, 79001), (3835, 40891), (5161, 30385), (6077, 25805), (6695, 23423)]