281415745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 391728960

約数和(自身を除く): 110313215

約数列:

[1, 5, 13, 19, 65, 67, 95, 179, 247, 335, 361, 871, 895, 1235, 1273, 1805, 2327, 3401, 4355, 4693, 6365, 11635, 11993, 16549, 17005, 23465, 24187, 44213, 59965, 64619, 82745, 120935, 155909, 221065, 227867, 314431, 323095, 779545, 840047, 1139335, 1572155, 2962271, 4200235, 4329473, 14811355, 21647365, 56283149, 281415745]

約数ペア:

[(1, 281415745), (5, 56283149), (13, 21647365), (19, 14811355), (65, 4329473), (67, 4200235), (95, 2962271), (179, 1572155), (247, 1139335), (335, 840047), (361, 779545), (871, 323095), (895, 314431), (1235, 227867), (1273, 221065), (1805, 155909), (2327, 120935), (3401, 82745), (4355, 64619), (4693, 59965), (6365, 44213), (11635, 24187), (11993, 23465), (16549, 17005)]