248821775

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{34439}}^1$

素因数の和:34483

約数の個数: 18

約数和(自身を含む): 327765480

約数和(自身を除く): 78943705

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 34439, 172195, 585463, 860975, 2927315, 9952871, 14636575, 49764355, 248821775]

約数ペア:

[(1, 248821775), (5, 49764355), (17, 14636575), (25, 9952871), (85, 2927315), (289, 860975), (425, 585463), (1445, 172195), (7225, 34439)]