12701785

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 16678656

約数和(自身を除く): 3976871

約数列:

[1, 5, 19, 31, 95, 155, 227, 361, 589, 1135, 1805, 2945, 4313, 7037, 11191, 21565, 35185, 55955, 81947, 133703, 409735, 668515, 2540357, 12701785]

約数ペア:

[(1, 12701785), (5, 2540357), (19, 668515), (31, 409735), (95, 133703), (155, 81947), (227, 55955), (361, 35185), (589, 21565), (1135, 11191), (1805, 7037), (2945, 4313)]