859989455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 1194852384

約数和(自身を除く): 334862929

約数列:

[1, 5, 13, 17, 65, 85, 131, 169, 221, 457, 655, 845, 1105, 1703, 2227, 2285, 2873, 5941, 7769, 8515, 11135, 14365, 22139, 28951, 29705, 38845, 59867, 77233, 100997, 110695, 144755, 299335, 376363, 386165, 504985, 778271, 1017739, 1312961, 1881815, 3891355, 5088695, 6564805, 10117523, 13230607, 50587615, 66153035, 171997891, 859989455]

約数ペア:

[(1, 859989455), (5, 171997891), (13, 66153035), (17, 50587615), (65, 13230607), (85, 10117523), (131, 6564805), (169, 5088695), (221, 3891355), (457, 1881815), (655, 1312961), (845, 1017739), (1105, 778271), (1703, 504985), (2227, 386165), (2285, 376363), (2873, 299335), (5941, 144755), (7769, 110695), (8515, 100997), (11135, 77233), (14365, 59867), (22139, 38845), (28951, 29705)]