217645072

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{1289}}^1$

素因数の和:1531

約数の個数: 40

約数和(自身を含む): 431412120

約数和(自身を除く): 213767048

約数列:

[1, 2, 4, 8, 16, 61, 122, 173, 244, 346, 488, 692, 976, 1289, 1384, 2578, 2768, 5156, 10312, 10553, 20624, 21106, 42212, 78629, 84424, 157258, 168848, 222997, 314516, 445994, 629032, 891988, 1258064, 1783976, 3567952, 13602817, 27205634, 54411268, 108822536, 217645072]

約数ペア:

[(1, 217645072), (2, 108822536), (4, 54411268), (8, 27205634), (16, 13602817), (61, 3567952), (122, 1783976), (173, 1258064), (244, 891988), (346, 629032), (488, 445994), (692, 314516), (976, 222997), (1289, 168848), (1384, 157258), (2578, 84424), (2768, 78629), (5156, 42212), (10312, 21106), (10553, 20624)]