221338968

素因数分解:

$2^3\times 3^1\times {\mathrm{173}}^1\times {\mathrm{53309}}^1$

素因数の和:53491

約数の個数: 32

約数和(自身を含む): 556556400

約数和(自身を除く): 335217432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 173, 346, 519, 692, 1038, 1384, 2076, 4152, 53309, 106618, 159927, 213236, 319854, 426472, 639708, 1279416, 9222457, 18444914, 27667371, 36889828, 55334742, 73779656, 110669484, 221338968]

約数ペア:

[(1, 221338968), (2, 110669484), (3, 73779656), (4, 55334742), (6, 36889828), (8, 27667371), (12, 18444914), (24, 9222457), (173, 1279416), (346, 639708), (519, 426472), (692, 319854), (1038, 213236), (1384, 159927), (2076, 106618), (4152, 53309)]