53987890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2543}}^1$

素因数の和:2754

約数の個数: 32

約数和(自身を含む): 106603776

約数和(自身を除く): 52615886

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193, 386, 965, 1930, 2123, 2543, 4246, 5086, 10615, 12715, 21230, 25430, 27973, 55946, 139865, 279730, 490799, 981598, 2453995, 4907990, 5398789, 10797578, 26993945, 53987890]

約数ペア:

[(1, 53987890), (2, 26993945), (5, 10797578), (10, 5398789), (11, 4907990), (22, 2453995), (55, 981598), (110, 490799), (193, 279730), (386, 139865), (965, 55946), (1930, 27973), (2123, 25430), (2543, 21230), (4246, 12715), (5086, 10615)]