1878649825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{607}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 2564835840

約数和(自身を除く): 686186015

約数列:

[1, 5, 13, 25, 65, 89, 107, 325, 445, 535, 607, 1157, 1391, 2225, 2675, 3035, 5785, 6955, 7891, 9523, 15175, 28925, 34775, 39455, 47615, 54023, 64949, 123799, 197275, 238075, 270115, 324745, 618995, 702299, 844337, 1350575, 1623725, 3094975, 3511495, 4221685, 5780461, 17557475, 21108425, 28902305, 75145993, 144511525, 375729965, 1878649825]

約数ペア:

[(1, 1878649825), (5, 375729965), (13, 144511525), (25, 75145993), (65, 28902305), (89, 21108425), (107, 17557475), (325, 5780461), (445, 4221685), (535, 3511495), (607, 3094975), (1157, 1623725), (1391, 1350575), (2225, 844337), (2675, 702299), (3035, 618995), (5785, 324745), (6955, 270115), (7891, 238075), (9523, 197275), (15175, 123799), (28925, 64949), (34775, 54023), (39455, 47615)]