156920281958

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{70621189}}^1$

素因数の和:70621303

約数の個数: 16

約数和(自身を含む): 259321009680

約数和(自身を除く): 102400727722

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 70621189, 141242378, 776833079, 1553666158, 7132740089, 14265480178, 78460140979, 156920281958]

約数ペア:

[(1, 156920281958), (2, 78460140979), (11, 14265480178), (22, 7132740089), (101, 1553666158), (202, 776833079), (1111, 141242378), (2222, 70621189)]