161890950815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{21491}}^1\times {\mathrm{136963}}^1$

素因数の和:158470

約数の個数: 16

約数和(自身を含む): 211941380736

約数和(自身を除く): 50050429921

約数列:

[1, 5, 11, 55, 21491, 107455, 136963, 236401, 684815, 1182005, 1506593, 7532965, 2943471833, 14717359165, 32378190163, 161890950815]

約数ペア:

[(1, 161890950815), (5, 32378190163), (11, 14717359165), (55, 2943471833), (21491, 7532965), (107455, 1506593), (136963, 1182005), (236401, 684815)]