11905990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 22317120

約数和(自身を除く): 10411130

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 409, 410, 710, 818, 2045, 2911, 4090, 5822, 14555, 16769, 29039, 29110, 33538, 58078, 83845, 145195, 167690, 290390, 1190599, 2381198, 5952995, 11905990]

約数ペア:

[(1, 11905990), (2, 5952995), (5, 2381198), (10, 1190599), (41, 290390), (71, 167690), (82, 145195), (142, 83845), (205, 58078), (355, 33538), (409, 29110), (410, 29039), (710, 16769), (818, 14555), (2045, 5822), (2911, 4090)]