27946990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 52056576

約数和(自身を除く): 24109586

約数列:

[1, 2, 5, 10, 43, 86, 103, 206, 215, 430, 515, 631, 1030, 1262, 3155, 4429, 6310, 8858, 22145, 27133, 44290, 54266, 64993, 129986, 135665, 271330, 324965, 649930, 2794699, 5589398, 13973495, 27946990]

約数ペア:

[(1, 27946990), (2, 13973495), (5, 5589398), (10, 2794699), (43, 649930), (86, 324965), (103, 271330), (206, 135665), (215, 129986), (430, 64993), (515, 54266), (631, 44290), (1030, 27133), (1262, 22145), (3155, 8858), (4429, 6310)]