221139944

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{8171}}^1$

素因数の和:8393

約数の個数: 32

約数和(自身を含む): 441288000

約数和(自身を除く): 220148056

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 398, 796, 1592, 3383, 6766, 8171, 13532, 16342, 27064, 32684, 65368, 138907, 277814, 555628, 1111256, 1626029, 3252058, 6504116, 13008232, 27642493, 55284986, 110569972, 221139944]

約数ペア:

[(1, 221139944), (2, 110569972), (4, 55284986), (8, 27642493), (17, 13008232), (34, 6504116), (68, 3252058), (136, 1626029), (199, 1111256), (398, 555628), (796, 277814), (1592, 138907), (3383, 65368), (6766, 32684), (8171, 27064), (13532, 16342)]