12871810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 27312120

約数和(自身を除く): 14440310

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 241, 245, 482, 490, 545, 763, 1090, 1205, 1526, 1687, 2410, 3374, 3815, 5341, 7630, 8435, 10682, 11809, 16870, 23618, 26269, 26705, 52538, 53410, 59045, 118090, 131345, 183883, 262690, 367766, 919415, 1287181, 1838830, 2574362, 6435905, 12871810]

約数ペア:

[(1, 12871810), (2, 6435905), (5, 2574362), (7, 1838830), (10, 1287181), (14, 919415), (35, 367766), (49, 262690), (70, 183883), (98, 131345), (109, 118090), (218, 59045), (241, 53410), (245, 52538), (482, 26705), (490, 26269), (545, 23618), (763, 16870), (1090, 11809), (1205, 10682), (1526, 8435), (1687, 7630), (2410, 5341), (3374, 3815)]