645471790

素因数分解:

$2^1\times 5^1\times {\mathrm{3313}}^1\times {\mathrm{19483}}^1$

素因数の和:22803

約数の個数: 16

約数和(自身を含む): 1162259568

約数和(自身を除く): 516787778

約数列:

[1, 2, 5, 10, 3313, 6626, 16565, 19483, 33130, 38966, 97415, 194830, 64547179, 129094358, 322735895, 645471790]

約数ペア:

[(1, 645471790), (2, 322735895), (5, 129094358), (10, 64547179), (3313, 194830), (6626, 97415), (16565, 38966), (19483, 33130)]