219786346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 361065600

約数和(自身を除く): 141279254

約数列:

[1, 2, 13, 26, 107, 199, 214, 397, 398, 794, 1391, 2587, 2782, 5161, 5174, 10322, 21293, 42479, 42586, 79003, 84958, 158006, 276809, 552227, 553618, 1027039, 1104454, 2054078, 8453321, 16906642, 109893173, 219786346]

約数ペア:

[(1, 219786346), (2, 109893173), (13, 16906642), (26, 8453321), (107, 2054078), (199, 1104454), (214, 1027039), (397, 553618), (398, 552227), (794, 276809), (1391, 158006), (2587, 84958), (2782, 79003), (5161, 42586), (5174, 42479), (10322, 21293)]