128897392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{10159}}^1$

素因数の和:10241

約数の個数: 40

約数和(自身を含む): 273385280

約数和(自身を除く): 144487888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 10159, 12688, 20318, 40636, 81272, 132067, 162544, 264134, 528268, 619699, 1056536, 1239398, 2113072, 2478796, 4957592, 8056087, 9915184, 16112174, 32224348, 64448696, 128897392]

約数ペア:

[(1, 128897392), (2, 64448696), (4, 32224348), (8, 16112174), (13, 9915184), (16, 8056087), (26, 4957592), (52, 2478796), (61, 2113072), (104, 1239398), (122, 1056536), (208, 619699), (244, 528268), (488, 264134), (793, 162544), (976, 132067), (1586, 81272), (3172, 40636), (6344, 20318), (10159, 12688)]