81660856

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{1171}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 160329600

約数和(自身を除く): 78668744

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 379, 758, 1171, 1516, 2342, 3032, 4684, 8717, 9368, 17434, 26933, 34868, 53866, 69736, 107732, 215464, 443809, 887618, 1775236, 3550472, 10207607, 20415214, 40830428, 81660856]

約数ペア:

[(1, 81660856), (2, 40830428), (4, 20415214), (8, 10207607), (23, 3550472), (46, 1775236), (92, 887618), (184, 443809), (379, 215464), (758, 107732), (1171, 69736), (1516, 53866), (2342, 34868), (3032, 26933), (4684, 17434), (8717, 9368)]