81478558

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1847}}^1$

素因数の和:2016

約数の個数: 32

約数和(自身を含む): 146893824

約数和(自身を除く): 65415266

約数列:

[1, 2, 7, 14, 23, 46, 137, 161, 274, 322, 959, 1847, 1918, 3151, 3694, 6302, 12929, 22057, 25858, 42481, 44114, 84962, 253039, 297367, 506078, 594734, 1771273, 3542546, 5819897, 11639794, 40739279, 81478558]

約数ペア:

[(1, 81478558), (2, 40739279), (7, 11639794), (14, 5819897), (23, 3542546), (46, 1771273), (137, 594734), (161, 506078), (274, 297367), (322, 253039), (959, 84962), (1847, 44114), (1918, 42481), (3151, 25858), (3694, 22057), (6302, 12929)]