200011721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{70901}}^1$

素因数の和:70952

約数の個数: 16

約数和(自身を含む): 254112768

約数和(自身を除く): 54101047

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 70901, 496307, 921713, 2197931, 6451991, 15385517, 28573103, 200011721]

約数ペア:

[(1, 200011721), (7, 28573103), (13, 15385517), (31, 6451991), (91, 2197931), (217, 921713), (403, 496307), (2821, 70901)]