1209386

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:517

約数の個数: 16

約数和(自身を含む): 1928448

約数和(自身を除く): 719062

約数列:

[1, 2, 23, 46, 61, 122, 431, 862, 1403, 2806, 9913, 19826, 26291, 52582, 604693, 1209386]

約数ペア:

[(1, 1209386), (2, 604693), (23, 52582), (46, 26291), (61, 19826), (122, 9913), (431, 2806), (862, 1403)]