665156968

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{23899}}^1$

素因数の和:23990

約数の個数: 48

約数和(自身を含む): 1471284000

約数和(自身を除く): 806127032

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 994, 1988, 3479, 3976, 6958, 13916, 23899, 27832, 47798, 95596, 167293, 191192, 334586, 669172, 1171051, 1338344, 1696829, 2342102, 3393658, 4684204, 6787316, 9368408, 11877803, 13574632, 23755606, 47511212, 83144621, 95022424, 166289242, 332578484, 665156968]

約数ペア:

[(1, 665156968), (2, 332578484), (4, 166289242), (7, 95022424), (8, 83144621), (14, 47511212), (28, 23755606), (49, 13574632), (56, 11877803), (71, 9368408), (98, 6787316), (142, 4684204), (196, 3393658), (284, 2342102), (392, 1696829), (497, 1338344), (568, 1171051), (994, 669172), (1988, 334586), (3479, 191192), (3976, 167293), (6958, 95596), (13916, 47798), (23899, 27832)]