7620990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19541}}^1$

素因数の和:19564

約数の個数: 32

約数和(自身を含む): 19698336

約数和(自身を除く): 12077346

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 19541, 39082, 58623, 97705, 117246, 195410, 254033, 293115, 508066, 586230, 762099, 1270165, 1524198, 2540330, 3810495, 7620990]

約数ペア:

[(1, 7620990), (2, 3810495), (3, 2540330), (5, 1524198), (6, 1270165), (10, 762099), (13, 586230), (15, 508066), (26, 293115), (30, 254033), (39, 195410), (65, 117246), (78, 97705), (130, 58623), (195, 39082), (390, 19541)]