208942890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{535751}}^1$

素因数の和:535774

約数の個数: 32

約数和(自身を含む): 540038016

約数和(自身を除く): 331095126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 535751, 1071502, 1607253, 2678755, 3214506, 5357510, 6964763, 8036265, 13929526, 16072530, 20894289, 34823815, 41788578, 69647630, 104471445, 208942890]

約数ペア:

[(1, 208942890), (2, 104471445), (3, 69647630), (5, 41788578), (6, 34823815), (10, 20894289), (13, 16072530), (15, 13929526), (26, 8036265), (30, 6964763), (39, 5357510), (65, 3214506), (78, 2678755), (130, 1607253), (195, 1071502), (390, 535751)]