648890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 1353024

約数和(自身を除く): 704134

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 347, 374, 694, 935, 1735, 1870, 3470, 3817, 5899, 7634, 11798, 19085, 29495, 38170, 58990, 64889, 129778, 324445, 648890]

約数ペア:

[(1, 648890), (2, 324445), (5, 129778), (10, 64889), (11, 58990), (17, 38170), (22, 29495), (34, 19085), (55, 11798), (85, 7634), (110, 5899), (170, 3817), (187, 3470), (347, 1870), (374, 1735), (694, 935)]