1991312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{7321}}^1$

素因数の和:7346

約数の個数: 20

約数和(自身を含む): 4085676

約数和(自身を除く): 2094364

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 7321, 14642, 29284, 58568, 117136, 124457, 248914, 497828, 995656, 1991312]

約数ペア:

[(1, 1991312), (2, 995656), (4, 497828), (8, 248914), (16, 124457), (17, 117136), (34, 58568), (68, 29284), (136, 14642), (272, 7321)]