63879995

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 84480000

約数和(自身を除く): 20600005

約数列:

[1, 5, 19, 31, 95, 109, 155, 199, 545, 589, 995, 2071, 2945, 3379, 3781, 6169, 10355, 16895, 18905, 21691, 30845, 64201, 108455, 117211, 321005, 412129, 586055, 672421, 2060645, 3362105, 12775999, 63879995]

約数ペア:

[(1, 63879995), (5, 12775999), (19, 3362105), (31, 2060645), (95, 672421), (109, 586055), (155, 412129), (199, 321005), (545, 117211), (589, 108455), (995, 64201), (2071, 30845), (2945, 21691), (3379, 18905), (3781, 16895), (6169, 10355)]