42649475

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 60756528

約数和(自身を除く): 18107053

約数列:

[1, 5, 11, 23, 25, 55, 115, 121, 253, 275, 575, 605, 613, 1265, 2783, 3025, 3065, 6325, 6743, 13915, 14099, 15325, 33715, 69575, 70495, 74173, 155089, 168575, 352475, 370865, 775445, 1705979, 1854325, 3877225, 8529895, 42649475]

約数ペア:

[(1, 42649475), (5, 8529895), (11, 3877225), (23, 1854325), (25, 1705979), (55, 775445), (115, 370865), (121, 352475), (253, 168575), (275, 155089), (575, 74173), (605, 70495), (613, 69575), (1265, 33715), (2783, 15325), (3025, 14099), (3065, 13915), (6325, 6743)]