64450568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 149775360

約数和(自身を除く): 85324792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 223, 364, 397, 446, 728, 794, 892, 1561, 1588, 1784, 2779, 2899, 3122, 3176, 5161, 5558, 5798, 6244, 10322, 11116, 11596, 12488, 20293, 20644, 22232, 23192, 36127, 40586, 41288, 72254, 81172, 88531, 144508, 162344, 177062, 289016, 354124, 619717, 708248, 1150903, 1239434, 2301806, 2478868, 4603612, 4957736, 8056321, 9207224, 16112642, 32225284, 64450568]

約数ペア:

[(1, 64450568), (2, 32225284), (4, 16112642), (7, 9207224), (8, 8056321), (13, 4957736), (14, 4603612), (26, 2478868), (28, 2301806), (52, 1239434), (56, 1150903), (91, 708248), (104, 619717), (182, 354124), (223, 289016), (364, 177062), (397, 162344), (446, 144508), (728, 88531), (794, 81172), (892, 72254), (1561, 41288), (1588, 40586), (1784, 36127), (2779, 23192), (2899, 22232), (3122, 20644), (3176, 20293), (5161, 12488), (5558, 11596), (5798, 11116), (6244, 10322)]