15780485

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 22643712

約数和(自身を除く): 6863227

約数列:

[1, 5, 7, 35, 47, 53, 181, 235, 265, 329, 371, 905, 1267, 1645, 1855, 2491, 6335, 8507, 9593, 12455, 17437, 42535, 47965, 59549, 67151, 87185, 297745, 335755, 450871, 2254355, 3156097, 15780485]

約数ペア:

[(1, 15780485), (5, 3156097), (7, 2254355), (35, 450871), (47, 335755), (53, 297745), (181, 87185), (235, 67151), (265, 59549), (329, 47965), (371, 42535), (905, 17437), (1267, 12455), (1645, 9593), (1855, 8507), (2491, 6335)]