78876172

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 148115520

約数和(自身を除く): 69239348

約数列:

[1, 2, 4, 29, 58, 61, 71, 116, 122, 142, 157, 244, 284, 314, 628, 1769, 2059, 3538, 4118, 4331, 4553, 7076, 8236, 8662, 9106, 9577, 11147, 17324, 18212, 19154, 22294, 38308, 44588, 125599, 251198, 277733, 323263, 502396, 555466, 646526, 679967, 1110932, 1293052, 1359934, 2719868, 19719043, 39438086, 78876172]

約数ペア:

[(1, 78876172), (2, 39438086), (4, 19719043), (29, 2719868), (58, 1359934), (61, 1293052), (71, 1110932), (116, 679967), (122, 646526), (142, 555466), (157, 502396), (244, 323263), (284, 277733), (314, 251198), (628, 125599), (1769, 44588), (2059, 38308), (3538, 22294), (4118, 19154), (4331, 18212), (4553, 17324), (7076, 11147), (8236, 9577), (8662, 9106)]