643501252

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{809}}^1\times {\mathrm{4231}}^1$

素因数の和:5091

約数の個数: 24

約数和(自身を含む): 1151781120

約数和(自身を除く): 508279868

約数列:

[1, 2, 4, 47, 94, 188, 809, 1618, 3236, 4231, 8462, 16924, 38023, 76046, 152092, 198857, 397714, 795428, 3422879, 6845758, 13691516, 160875313, 321750626, 643501252]

約数ペア:

[(1, 643501252), (2, 321750626), (4, 160875313), (47, 13691516), (94, 6845758), (188, 3422879), (809, 795428), (1618, 397714), (3236, 198857), (4231, 152092), (8462, 76046), (16924, 38023)]