216722422

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{1499}}^1$

素因数の和:1980

約数の個数: 32

約数和(自身を含む): 388800000

約数和(自身を除く): 172077578

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 449, 898, 1499, 2998, 3143, 6286, 10327, 10493, 20654, 20986, 34477, 68954, 72289, 144578, 241339, 482678, 673051, 1346102, 4711357, 9422714, 15480173, 30960346, 108361211, 216722422]

約数ペア:

[(1, 216722422), (2, 108361211), (7, 30960346), (14, 15480173), (23, 9422714), (46, 4711357), (161, 1346102), (322, 673051), (449, 482678), (898, 241339), (1499, 144578), (2998, 72289), (3143, 68954), (6286, 34477), (10327, 20986), (10493, 20654)]