201456445

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 257541120

約数和(自身を除く): 56084675

約数列:

[1, 5, 31, 53, 137, 155, 179, 265, 685, 895, 1643, 4247, 5549, 7261, 8215, 9487, 21235, 24523, 27745, 36305, 47435, 122615, 225091, 294097, 760213, 1125455, 1299719, 1470485, 3801065, 6498595, 40291289, 201456445]

約数ペア:

[(1, 201456445), (5, 40291289), (31, 6498595), (53, 3801065), (137, 1470485), (155, 1299719), (179, 1125455), (265, 760213), (685, 294097), (895, 225091), (1643, 122615), (4247, 47435), (5549, 36305), (7261, 27745), (8215, 24523), (9487, 21235)]