29891984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{109897}}^1$

素因数の和:109922

約数の個数: 20

約数和(自身を含む): 61323084

約数和(自身を除く): 31431100

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 109897, 219794, 439588, 879176, 1758352, 1868249, 3736498, 7472996, 14945992, 29891984]

約数ペア:

[(1, 29891984), (2, 14945992), (4, 7472996), (8, 3736498), (16, 1868249), (17, 1758352), (34, 879176), (68, 439588), (136, 219794), (272, 109897)]