156821705

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{797}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 206841600

約数和(自身を除く): 50019895

約数列:

[1, 5, 23, 29, 59, 115, 145, 295, 667, 797, 1357, 1711, 3335, 3985, 6785, 8555, 18331, 23113, 39353, 47023, 91655, 115565, 196765, 235115, 531599, 1081529, 1363667, 2657995, 5407645, 6818335, 31364341, 156821705]

約数ペア:

[(1, 156821705), (5, 31364341), (23, 6818335), (29, 5407645), (59, 2657995), (115, 1363667), (145, 1081529), (295, 531599), (667, 235115), (797, 196765), (1357, 115565), (1711, 91655), (3335, 47023), (3985, 39353), (6785, 23113), (8555, 18331)]