221528056

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{263}}^1\times {\mathrm{499}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 419760000

約数和(自身を除く): 198231944

約数列:

[1, 2, 4, 8, 211, 263, 422, 499, 526, 844, 998, 1052, 1688, 1996, 2104, 3992, 55493, 105289, 110986, 131237, 210578, 221972, 262474, 421156, 443944, 524948, 842312, 1049896, 27691007, 55382014, 110764028, 221528056]

約数ペア:

[(1, 221528056), (2, 110764028), (4, 55382014), (8, 27691007), (211, 1049896), (263, 842312), (422, 524948), (499, 443944), (526, 421156), (844, 262474), (998, 221972), (1052, 210578), (1688, 131237), (1996, 110986), (2104, 105289), (3992, 55493)]