1640571556

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{1499}}^1\times {\mathrm{1619}}^1$

素因数の和:3148

約数の個数: 36

約数和(自身を含む): 3112830000

約数和(自身を除く): 1472258444

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 1499, 1619, 2998, 3238, 5996, 6476, 19487, 21047, 38974, 42094, 77948, 84188, 253331, 273611, 506662, 547222, 1013324, 1094444, 2426881, 4853762, 9707524, 31549453, 63098906, 126197812, 410142889, 820285778, 1640571556]

約数ペア:

[(1, 1640571556), (2, 820285778), (4, 410142889), (13, 126197812), (26, 63098906), (52, 31549453), (169, 9707524), (338, 4853762), (676, 2426881), (1499, 1094444), (1619, 1013324), (2998, 547222), (3238, 506662), (5996, 273611), (6476, 253331), (19487, 84188), (21047, 77948), (38974, 42094)]