823642625

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 1125476352

約数和(自身を除く): 301833727

約数列:

[1, 5, 13, 25, 65, 125, 127, 169, 307, 325, 635, 845, 1535, 1625, 1651, 3175, 3991, 4225, 7675, 8255, 15875, 19955, 21125, 21463, 38375, 38989, 41275, 51883, 99775, 107315, 194945, 206375, 259415, 498875, 506857, 536575, 974725, 1297075, 2534285, 2682875, 4873625, 6485375, 6589141, 12671425, 32945705, 63357125, 164728525, 823642625]

約数ペア:

[(1, 823642625), (5, 164728525), (13, 63357125), (25, 32945705), (65, 12671425), (125, 6589141), (127, 6485375), (169, 4873625), (307, 2682875), (325, 2534285), (635, 1297075), (845, 974725), (1535, 536575), (1625, 506857), (1651, 498875), (3175, 259415), (3991, 206375), (4225, 194945), (7675, 107315), (8255, 99775), (15875, 51883), (19955, 41275), (21125, 38989), (21463, 38375)]