263911570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{119417}}^1$

素因数の和:119454

約数の個数: 32

約数和(自身を含む): 541680048

約数和(自身を除く): 277768478

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 119417, 238834, 597085, 1194170, 1552421, 2030089, 3104842, 4060178, 7762105, 10150445, 15524210, 20300890, 26391157, 52782314, 131955785, 263911570]

約数ペア:

[(1, 263911570), (2, 131955785), (5, 52782314), (10, 26391157), (13, 20300890), (17, 15524210), (26, 10150445), (34, 7762105), (65, 4060178), (85, 3104842), (130, 2030089), (170, 1552421), (221, 1194170), (442, 597085), (1105, 238834), (2210, 119417)]