4890990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12541}}^1$

素因数の和:12564

約数の個数: 32

約数和(自身を含む): 12642336

約数和(自身を除く): 7751346

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 12541, 25082, 37623, 62705, 75246, 125410, 163033, 188115, 326066, 376230, 489099, 815165, 978198, 1630330, 2445495, 4890990]

約数ペア:

[(1, 4890990), (2, 2445495), (3, 1630330), (5, 978198), (6, 815165), (10, 489099), (13, 376230), (15, 326066), (26, 188115), (30, 163033), (39, 125410), (65, 75246), (78, 62705), (130, 37623), (195, 25082), (390, 12541)]