4939825

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 36

約数和(自身を含む): 7124544

約数和(自身を除く): 2184719

約数列:

[1, 5, 11, 23, 25, 55, 71, 115, 121, 253, 275, 355, 575, 605, 781, 1265, 1633, 1775, 2783, 3025, 3905, 6325, 8165, 8591, 13915, 17963, 19525, 40825, 42955, 69575, 89815, 197593, 214775, 449075, 987965, 4939825]

約数ペア:

[(1, 4939825), (5, 987965), (11, 449075), (23, 214775), (25, 197593), (55, 89815), (71, 69575), (115, 42955), (121, 40825), (253, 19525), (275, 17963), (355, 13915), (575, 8591), (605, 8165), (781, 6325), (1265, 3905), (1633, 3025), (1775, 2783)]