78109475

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:632

約数の個数: 36

約数和(自身を含む): 108493800

約数和(自身を除く): 30384325

約数列:

[1, 5, 17, 19, 25, 85, 95, 289, 323, 425, 475, 569, 1445, 1615, 2845, 5491, 7225, 8075, 9673, 10811, 14225, 27455, 48365, 54055, 137275, 164441, 183787, 241825, 270275, 822205, 918935, 3124379, 4111025, 4594675, 15621895, 78109475]

約数ペア:

[(1, 78109475), (5, 15621895), (17, 4594675), (19, 4111025), (25, 3124379), (85, 918935), (95, 822205), (289, 270275), (323, 241825), (425, 183787), (475, 164441), (569, 137275), (1445, 54055), (1615, 48365), (2845, 27455), (5491, 14225), (7225, 10811), (8075, 9673)]