4971725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 6829920

約数和(自身を除く): 1858195

約数列:

[1, 5, 11, 25, 55, 101, 179, 275, 505, 895, 1111, 1969, 2525, 4475, 5555, 9845, 18079, 27775, 49225, 90395, 198869, 451975, 994345, 4971725]

約数ペア:

[(1, 4971725), (5, 994345), (11, 451975), (25, 198869), (55, 90395), (101, 49225), (179, 27775), (275, 18079), (505, 9845), (895, 5555), (1111, 4475), (1969, 2525)]