78821090

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{9719}}^1$

素因数の和:10537

約数の個数: 16

約数和(自身を含む): 142067520

約数和(自身を除く): 63246430

約数列:

[1, 2, 5, 10, 811, 1622, 4055, 8110, 9719, 19438, 48595, 97190, 7882109, 15764218, 39410545, 78821090]

約数ペア:

[(1, 78821090), (2, 39410545), (5, 15764218), (10, 7882109), (811, 97190), (1622, 48595), (4055, 19438), (8110, 9719)]