71648564

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 140743680

約数和(自身を除く): 69095116

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 263, 338, 403, 526, 676, 806, 1052, 1612, 2197, 3419, 4394, 5239, 6838, 8153, 8788, 10478, 13676, 16306, 20956, 32612, 44447, 68107, 88894, 105989, 136214, 177788, 211978, 272428, 423956, 577811, 1155622, 1377857, 2311244, 2755714, 5511428, 17912141, 35824282, 71648564]

約数ペア:

[(1, 71648564), (2, 35824282), (4, 17912141), (13, 5511428), (26, 2755714), (31, 2311244), (52, 1377857), (62, 1155622), (124, 577811), (169, 423956), (263, 272428), (338, 211978), (403, 177788), (526, 136214), (676, 105989), (806, 88894), (1052, 68107), (1612, 44447), (2197, 32612), (3419, 20956), (4394, 16306), (5239, 13676), (6838, 10478), (8153, 8788)]