131490385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{20029}}^1$

素因数の和:20148

約数の個数: 16

約数和(自身を含む): 171617040

約数和(自身を除く): 40126655

約数列:

[1, 5, 13, 65, 101, 505, 1313, 6565, 20029, 100145, 260377, 1301885, 2022929, 10114645, 26298077, 131490385]

約数ペア:

[(1, 131490385), (5, 26298077), (13, 10114645), (65, 2022929), (101, 1301885), (505, 260377), (1313, 100145), (6565, 20029)]