64561973

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3217}}^1$

素因数の和:3332

約数の個数: 16

約数和(自身を含む): 76614144

約数和(自身を除く): 12052171

約数列:

[1, 7, 47, 61, 329, 427, 2867, 3217, 20069, 22519, 151199, 196237, 1058393, 1373659, 9223139, 64561973]

約数ペア:

[(1, 64561973), (7, 9223139), (47, 1373659), (61, 1058393), (329, 196237), (427, 151199), (2867, 22519), (3217, 20069)]