291208892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{40289}}^1$

素因数の和:40445

約数の個数: 24

約数和(自身を含む): 552778800

約数和(自身を除く): 261569908

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 40289, 80578, 161156, 523757, 1047514, 2095028, 5600171, 11200342, 22400684, 72802223, 145604446, 291208892]

約数ペア:

[(1, 291208892), (2, 145604446), (4, 72802223), (13, 22400684), (26, 11200342), (52, 5600171), (139, 2095028), (278, 1047514), (556, 523757), (1807, 161156), (3614, 80578), (7228, 40289)]