28990425

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 50964992

約数和(自身を除く): 21974567

約数列:

[1, 3, 5, 15, 25, 31, 37, 75, 93, 111, 155, 185, 337, 465, 555, 775, 925, 1011, 1147, 1685, 2325, 2775, 3441, 5055, 5735, 8425, 10447, 12469, 17205, 25275, 28675, 31341, 37407, 52235, 62345, 86025, 156705, 187035, 261175, 311725, 386539, 783525, 935175, 1159617, 1932695, 5798085, 9663475, 28990425]

約数ペア:

[(1, 28990425), (3, 9663475), (5, 5798085), (15, 1932695), (25, 1159617), (31, 935175), (37, 783525), (75, 386539), (93, 311725), (111, 261175), (155, 187035), (185, 156705), (337, 86025), (465, 62345), (555, 52235), (775, 37407), (925, 31341), (1011, 28675), (1147, 25275), (1685, 17205), (2325, 12469), (2775, 10447), (3441, 8425), (5055, 5735)]