26978615

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1303}}^1$

素因数の和:1450

約数の個数: 16

約数和(自身を含む): 33518016

約数和(自身を除く): 6539401

約数列:

[1, 5, 41, 101, 205, 505, 1303, 4141, 6515, 20705, 53423, 131603, 267115, 658015, 5395723, 26978615]

約数ペア:

[(1, 26978615), (5, 5395723), (41, 658015), (101, 267115), (205, 131603), (505, 53423), (1303, 20705), (4141, 6515)]