31915222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 52488000

約数和(自身を除く): 20572778

約数列:

[1, 2, 17, 34, 53, 89, 106, 178, 199, 398, 901, 1513, 1802, 3026, 3383, 4717, 6766, 9434, 10547, 17711, 21094, 35422, 80189, 160378, 179299, 301087, 358598, 602174, 938683, 1877366, 15957611, 31915222]

約数ペア:

[(1, 31915222), (2, 15957611), (17, 1877366), (34, 938683), (53, 602174), (89, 358598), (106, 301087), (178, 179299), (199, 160378), (398, 80189), (901, 35422), (1513, 21094), (1802, 17711), (3026, 10547), (3383, 9434), (4717, 6766)]