261528

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 693360

約数和(自身を除く): 431832

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 641, 1282, 1923, 2564, 3846, 5128, 7692, 10897, 15384, 21794, 32691, 43588, 65382, 87176, 130764, 261528]

約数ペア:

[(1, 261528), (2, 130764), (3, 87176), (4, 65382), (6, 43588), (8, 32691), (12, 21794), (17, 15384), (24, 10897), (34, 7692), (51, 5128), (68, 3846), (102, 2564), (136, 1923), (204, 1282), (408, 641)]