199420624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{20399}}^1$

素因数の和:20467

約数の個数: 40

約数和(自身を含む): 424972800

約数和(自身を除く): 225552176

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 20399, 40798, 81596, 163192, 265187, 326384, 530374, 958753, 1060748, 1917506, 2121496, 3835012, 4242992, 7670024, 12463789, 15340048, 24927578, 49855156, 99710312, 199420624]

約数ペア:

[(1, 199420624), (2, 99710312), (4, 49855156), (8, 24927578), (13, 15340048), (16, 12463789), (26, 7670024), (47, 4242992), (52, 3835012), (94, 2121496), (104, 1917506), (188, 1060748), (208, 958753), (376, 530374), (611, 326384), (752, 265187), (1222, 163192), (2444, 81596), (4888, 40798), (9776, 20399)]