28904642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 48124272

約数和(自身を除く): 19219630

約数列:

[1, 2, 13, 26, 73, 97, 146, 157, 194, 314, 949, 1261, 1898, 2041, 2522, 4082, 7081, 11461, 14162, 15229, 22922, 30458, 92053, 148993, 184106, 197977, 297986, 395954, 1111717, 2223434, 14452321, 28904642]

約数ペア:

[(1, 28904642), (2, 14452321), (13, 2223434), (26, 1111717), (73, 395954), (97, 297986), (146, 197977), (157, 184106), (194, 148993), (314, 92053), (949, 30458), (1261, 22922), (1898, 15229), (2041, 14162), (2522, 11461), (4082, 7081)]