289735495

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1979}}^1$

素因数の和:2127

約数の個数: 32

約数和(自身を含む): 410572800

約数和(自身を除く): 120837305

約数列:

[1, 5, 7, 35, 47, 89, 235, 329, 445, 623, 1645, 1979, 3115, 4183, 9895, 13853, 20915, 29281, 69265, 93013, 146405, 176131, 465065, 651091, 880655, 1232917, 3255455, 6164585, 8278157, 41390785, 57947099, 289735495]

約数ペア:

[(1, 289735495), (5, 57947099), (7, 41390785), (35, 8278157), (47, 6164585), (89, 3255455), (235, 1232917), (329, 880655), (445, 651091), (623, 465065), (1645, 176131), (1979, 146405), (3115, 93013), (4183, 69265), (9895, 29281), (13853, 20915)]