81499684

素因数分解:

$2^2\times 7^1\times {\mathrm{1627}}^1\times {\mathrm{1789}}^1$

素因数の和:3427

約数の個数: 24

約数和(自身を含む): 163190720

約数和(自身を除く): 81691036

約数列:

[1, 2, 4, 7, 14, 28, 1627, 1789, 3254, 3578, 6508, 7156, 11389, 12523, 22778, 25046, 45556, 50092, 2910703, 5821406, 11642812, 20374921, 40749842, 81499684]

約数ペア:

[(1, 81499684), (2, 40749842), (4, 20374921), (7, 11642812), (14, 5821406), (28, 2910703), (1627, 50092), (1789, 45556), (3254, 25046), (3578, 22778), (6508, 12523), (7156, 11389)]