68912390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{9887}}^1$

素因数の和:9952

約数の個数: 32

約数和(自身を含む): 134555904

約数和(自身を除く): 65643514

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 9887, 19774, 49435, 98870, 168079, 336158, 405367, 810734, 840395, 1680790, 2026835, 4053670, 6891239, 13782478, 34456195, 68912390]

約数ペア:

[(1, 68912390), (2, 34456195), (5, 13782478), (10, 6891239), (17, 4053670), (34, 2026835), (41, 1680790), (82, 840395), (85, 810734), (170, 405367), (205, 336158), (410, 168079), (697, 98870), (1394, 49435), (3485, 19774), (6970, 9887)]