287753005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 377856000

約数和(自身を除く): 90102995

約数列:

[1, 5, 19, 31, 95, 155, 199, 491, 589, 995, 2455, 2945, 3781, 6169, 9329, 15221, 18905, 30845, 46645, 76105, 97709, 117211, 289199, 488545, 586055, 1445995, 1856471, 3028979, 9282355, 15144895, 57550601, 287753005]

約数ペア:

[(1, 287753005), (5, 57550601), (19, 15144895), (31, 9282355), (95, 3028979), (155, 1856471), (199, 1445995), (491, 586055), (589, 488545), (995, 289199), (2455, 117211), (2945, 97709), (3781, 76105), (6169, 46645), (9329, 30845), (15221, 18905)]