161930470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1245619}}^1$

素因数の和:1245639

約数の個数: 16

約数和(自身を含む): 313896240

約数和(自身を除く): 151965770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1245619, 2491238, 6228095, 12456190, 16193047, 32386094, 80965235, 161930470]

約数ペア:

[(1, 161930470), (2, 80965235), (5, 32386094), (10, 16193047), (13, 12456190), (26, 6228095), (65, 2491238), (130, 1245619)]