64723376

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{10399}}^1$

素因数の和:10796

約数の個数: 20

約数和(自身を含む): 125736000

約数和(自身を除く): 61012624

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 10399, 20798, 41596, 83192, 166384, 4045211, 8090422, 16180844, 32361688, 64723376]

約数ペア:

[(1, 64723376), (2, 32361688), (4, 16180844), (8, 8090422), (16, 4045211), (389, 166384), (778, 83192), (1556, 41596), (3112, 20798), (6224, 10399)]