2398990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 4777056

約数和(自身を除く): 2378066

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 193, 226, 386, 565, 965, 1130, 1243, 1930, 2123, 2486, 4246, 6215, 10615, 12430, 21230, 21809, 43618, 109045, 218090, 239899, 479798, 1199495, 2398990]

約数ペア:

[(1, 2398990), (2, 1199495), (5, 479798), (10, 239899), (11, 218090), (22, 109045), (55, 43618), (110, 21809), (113, 21230), (193, 12430), (226, 10615), (386, 6215), (565, 4246), (965, 2486), (1130, 2123), (1243, 1930)]