80987788

素因数分解:

$2^2\times 7^3\times {\mathrm{59029}}^1$

素因数の和:59054

約数の個数: 24

約数和(自身を含む): 165284000

約数和(自身を除く): 84296212

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 59029, 118058, 236116, 413203, 826406, 1652812, 2892421, 5784842, 11569684, 20246947, 40493894, 80987788]

約数ペア:

[(1, 80987788), (2, 40493894), (4, 20246947), (7, 11569684), (14, 5784842), (28, 2892421), (49, 1652812), (98, 826406), (196, 413203), (343, 236116), (686, 118058), (1372, 59029)]