258137825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 361584000

約数和(自身を除く): 103446175

約数列:

[1, 5, 11, 25, 53, 55, 89, 199, 265, 275, 445, 583, 979, 995, 1325, 2189, 2225, 2915, 4717, 4895, 4975, 10547, 10945, 14575, 17711, 23585, 24475, 51887, 52735, 54725, 88555, 116017, 117925, 194821, 259435, 263675, 442775, 580085, 938683, 974105, 1297175, 2900425, 4693415, 4870525, 10325513, 23467075, 51627565, 258137825]

約数ペア:

[(1, 258137825), (5, 51627565), (11, 23467075), (25, 10325513), (53, 4870525), (55, 4693415), (89, 2900425), (199, 1297175), (265, 974105), (275, 938683), (445, 580085), (583, 442775), (979, 263675), (995, 259435), (1325, 194821), (2189, 117925), (2225, 116017), (2915, 88555), (4717, 54725), (4895, 52735), (4975, 51887), (10547, 24475), (10945, 23585), (14575, 17711)]