284958505

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 398442240

約数和(自身を除く): 113483735

約数列:

[1, 5, 13, 17, 65, 83, 85, 169, 221, 239, 415, 845, 1079, 1105, 1195, 1411, 2873, 3107, 4063, 5395, 7055, 14027, 14365, 15535, 18343, 19837, 20315, 40391, 52819, 70135, 91715, 99185, 201955, 238459, 257881, 264095, 337229, 686647, 1192295, 1289405, 1686145, 3352453, 3433235, 4383977, 16762265, 21919885, 56991701, 284958505]

約数ペア:

[(1, 284958505), (5, 56991701), (13, 21919885), (17, 16762265), (65, 4383977), (83, 3433235), (85, 3352453), (169, 1686145), (221, 1289405), (239, 1192295), (415, 686647), (845, 337229), (1079, 264095), (1105, 257881), (1195, 238459), (1411, 201955), (2873, 99185), (3107, 91715), (4063, 70135), (5395, 52819), (7055, 40391), (14027, 20315), (14365, 19837), (15535, 18343)]