27681970

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 51601536

約数和(自身を除く): 23919566

約数列:

[1, 2, 5, 10, 41, 82, 107, 205, 214, 410, 535, 631, 1070, 1262, 3155, 4387, 6310, 8774, 21935, 25871, 43870, 51742, 67517, 129355, 135034, 258710, 337585, 675170, 2768197, 5536394, 13840985, 27681970]

約数ペア:

[(1, 27681970), (2, 13840985), (5, 5536394), (10, 2768197), (41, 675170), (82, 337585), (107, 258710), (205, 135034), (214, 129355), (410, 67517), (535, 51742), (631, 43870), (1070, 25871), (1262, 21935), (3155, 8774), (4387, 6310)]