215538376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{25981}}^1$

素因数の和:26065

約数の個数: 32

約数和(自身を含む): 434938680

約数和(自身を除く): 219400304

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 488, 1037, 2074, 4148, 8296, 25981, 51962, 103924, 207848, 441677, 883354, 1584841, 1766708, 3169682, 3533416, 6339364, 12678728, 26942297, 53884594, 107769188, 215538376]

約数ペア:

[(1, 215538376), (2, 107769188), (4, 53884594), (8, 26942297), (17, 12678728), (34, 6339364), (61, 3533416), (68, 3169682), (122, 1766708), (136, 1584841), (244, 883354), (488, 441677), (1037, 207848), (2074, 103924), (4148, 51962), (8296, 25981)]