81868892

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 170139648

約数和(自身を除く): 88270756

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 257, 367, 434, 514, 734, 868, 1028, 1468, 1799, 2569, 3598, 5138, 7196, 7967, 10276, 11377, 15934, 22754, 31868, 45508, 55769, 79639, 94319, 111538, 159278, 188638, 223076, 318556, 377276, 660233, 1320466, 2640932, 2923889, 5847778, 11695556, 20467223, 40934446, 81868892]

約数ペア:

[(1, 81868892), (2, 40934446), (4, 20467223), (7, 11695556), (14, 5847778), (28, 2923889), (31, 2640932), (62, 1320466), (124, 660233), (217, 377276), (257, 318556), (367, 223076), (434, 188638), (514, 159278), (734, 111538), (868, 94319), (1028, 79639), (1468, 55769), (1799, 45508), (2569, 31868), (3598, 22754), (5138, 15934), (7196, 11377), (7967, 10276)]