898045390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{19961}}^1$

素因数の和:20388

約数の個数: 32

約数和(自身を含む): 1767834720

約数和(自身を除く): 869789330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 818, 2045, 4090, 4499, 8998, 19961, 22495, 39922, 44990, 99805, 199610, 219571, 439142, 1097855, 2195710, 8164049, 16328098, 40820245, 81640490, 89804539, 179609078, 449022695, 898045390]

約数ペア:

[(1, 898045390), (2, 449022695), (5, 179609078), (10, 89804539), (11, 81640490), (22, 40820245), (55, 16328098), (110, 8164049), (409, 2195710), (818, 1097855), (2045, 439142), (4090, 219571), (4499, 199610), (8998, 99805), (19961, 44990), (22495, 39922)]