66403775

素因数分解:

$5^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 84213360

約数和(自身を除く): 17809585

約数列:

[1, 5, 25, 97, 139, 197, 485, 695, 985, 2425, 3475, 4925, 13483, 19109, 27383, 67415, 95545, 136915, 337075, 477725, 684575, 2656151, 13280755, 66403775]

約数ペア:

[(1, 66403775), (5, 13280755), (25, 2656151), (97, 684575), (139, 477725), (197, 337075), (485, 136915), (695, 95545), (985, 67415), (2425, 27383), (3475, 19109), (4925, 13483)]