8904053818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{20411}}^1$

素因数の和:20754

約数の個数: 32

約数和(自身を含む): 14814213120

約数和(自身を除く): 5910159302

約数列:

[1, 2, 11, 22, 79, 158, 251, 502, 869, 1738, 2761, 5522, 19829, 20411, 39658, 40822, 218119, 224521, 436238, 449042, 1612469, 3224938, 5123161, 10246322, 17737159, 35474318, 56354771, 112709542, 404729719, 809459438, 4452026909, 8904053818]

約数ペア:

[(1, 8904053818), (2, 4452026909), (11, 809459438), (22, 404729719), (79, 112709542), (158, 56354771), (251, 35474318), (502, 17737159), (869, 10246322), (1738, 5123161), (2761, 3224938), (5522, 1612469), (19829, 449042), (20411, 436238), (39658, 224521), (40822, 218119)]