1304236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^2$

素因数の和:285

約数の個数: 18

約数和(自身を含む): 2421020

約数和(自身を除く): 1116784

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 9956, 17161, 34322, 68644, 326059, 652118, 1304236]

約数ペア:

[(1, 1304236), (2, 652118), (4, 326059), (19, 68644), (38, 34322), (76, 17161), (131, 9956), (262, 4978), (524, 2489)]