9908990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10889}}^1$

素因数の和:10916

約数の個数: 32

約数和(自身を含む): 21954240

約数和(自身を除く): 12045250

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 10889, 21778, 54445, 76223, 108890, 141557, 152446, 283114, 381115, 707785, 762230, 990899, 1415570, 1981798, 4954495, 9908990]

約数ペア:

[(1, 9908990), (2, 4954495), (5, 1981798), (7, 1415570), (10, 990899), (13, 762230), (14, 707785), (26, 381115), (35, 283114), (65, 152446), (70, 141557), (91, 108890), (130, 76223), (182, 54445), (455, 21778), (910, 10889)]