64213790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{156619}}^1$

素因数の和:156667

約数の個数: 16

約数和(自身を含む): 118404720

約数和(自身を除く): 54190930

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 156619, 313238, 783095, 1566190, 6421379, 12842758, 32106895, 64213790]

約数ペア:

[(1, 64213790), (2, 32106895), (5, 12842758), (10, 6421379), (41, 1566190), (82, 783095), (205, 313238), (410, 156619)]