378889355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 526657824

約数和(自身を除く): 147768469

約数列:

[1, 5, 13, 19, 65, 67, 95, 241, 247, 335, 361, 871, 1205, 1235, 1273, 1805, 3133, 4355, 4579, 4693, 6365, 15665, 16147, 16549, 22895, 23465, 24187, 59527, 80735, 82745, 87001, 120935, 209911, 297635, 306793, 314431, 435005, 1049555, 1131013, 1533965, 1572155, 3988309, 5655065, 5829067, 19941545, 29145335, 75777871, 378889355]

約数ペア:

[(1, 378889355), (5, 75777871), (13, 29145335), (19, 19941545), (65, 5829067), (67, 5655065), (95, 3988309), (241, 1572155), (247, 1533965), (335, 1131013), (361, 1049555), (871, 435005), (1205, 314431), (1235, 306793), (1273, 297635), (1805, 209911), (3133, 120935), (4355, 87001), (4579, 82745), (4693, 80735), (6365, 59527), (15665, 24187), (16147, 23465), (16549, 22895)]