28039010

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 52062912

約数和(自身を除く): 24023902

約数列:

[1, 2, 5, 10, 43, 86, 197, 215, 331, 394, 430, 662, 985, 1655, 1970, 3310, 8471, 14233, 16942, 28466, 42355, 65207, 71165, 84710, 130414, 142330, 326035, 652070, 2803901, 5607802, 14019505, 28039010]

約数ペア:

[(1, 28039010), (2, 14019505), (5, 5607802), (10, 2803901), (43, 652070), (86, 326035), (197, 142330), (215, 130414), (331, 84710), (394, 71165), (430, 65207), (662, 42355), (985, 28466), (1655, 16942), (1970, 14233), (3310, 8471)]