208058825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 290981376

約数和(自身を除く): 82922551

約数列:

[1, 5, 13, 25, 31, 65, 107, 155, 193, 325, 403, 535, 775, 965, 1391, 2015, 2509, 2675, 3317, 4825, 5983, 6955, 10075, 12545, 16585, 20651, 29915, 34775, 43121, 62725, 77779, 82925, 103255, 149575, 215605, 268463, 388895, 516275, 640181, 1078025, 1342315, 1944475, 3200905, 6711575, 8322353, 16004525, 41611765, 208058825]

約数ペア:

[(1, 208058825), (5, 41611765), (13, 16004525), (25, 8322353), (31, 6711575), (65, 3200905), (107, 1944475), (155, 1342315), (193, 1078025), (325, 640181), (403, 516275), (535, 388895), (775, 268463), (965, 215605), (1391, 149575), (2015, 103255), (2509, 82925), (2675, 77779), (3317, 62725), (4825, 43121), (5983, 34775), (6955, 29915), (10075, 20651), (12545, 16585)]