399881808

素因数分解:

$2^4\times 3^2\times {\mathrm{2776957}}^1$

素因数の和:2776971

約数の個数: 30

約数和(自身を含む): 1119114074

約数和(自身を除く): 719232266

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 2776957, 5553914, 8330871, 11107828, 16661742, 22215656, 24992613, 33323484, 44431312, 49985226, 66646968, 99970452, 133293936, 199940904, 399881808]

約数ペア:

[(1, 399881808), (2, 199940904), (3, 133293936), (4, 99970452), (6, 66646968), (8, 49985226), (9, 44431312), (12, 33323484), (16, 24992613), (18, 22215656), (24, 16661742), (36, 11107828), (48, 8330871), (72, 5553914), (144, 2776957)]