639954288

素因数分解:

$2^4\times 3^2\times {\mathrm{4444127}}^1$

素因数の和:4444141

約数の個数: 30

約数和(自身を含む): 1790983584

約数和(自身を除く): 1151029296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 4444127, 8888254, 13332381, 17776508, 26664762, 35553016, 39997143, 53329524, 71106032, 79994286, 106659048, 159988572, 213318096, 319977144, 639954288]

約数ペア:

[(1, 639954288), (2, 319977144), (3, 213318096), (4, 159988572), (6, 106659048), (8, 79994286), (9, 71106032), (12, 53329524), (16, 39997143), (18, 35553016), (24, 26664762), (36, 17776508), (48, 13332381), (72, 8888254), (144, 4444127)]