54857990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21683}}^1$

素因数の和:21724

約数の個数: 32

約数和(自身を含む): 112409856

約数和(自身を除く): 57551866

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 21683, 43366, 108415, 216830, 238513, 477026, 498709, 997418, 1192565, 2385130, 2493545, 4987090, 5485799, 10971598, 27428995, 54857990]

約数ペア:

[(1, 54857990), (2, 27428995), (5, 10971598), (10, 5485799), (11, 4987090), (22, 2493545), (23, 2385130), (46, 1192565), (55, 997418), (110, 498709), (115, 477026), (230, 238513), (253, 216830), (506, 108415), (1265, 43366), (2530, 21683)]