1290686768

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{501043}}^1$

素因数の和:501081

約数の個数: 40

約数和(自身を含む): 2982213888

約数和(自身を除く): 1691527120

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 501043, 1002086, 2004172, 3507301, 4008344, 7014602, 8016688, 11523989, 14029204, 23047978, 28058408, 46095956, 56116816, 80667923, 92191912, 161335846, 184383824, 322671692, 645343384, 1290686768]

約数ペア:

[(1, 1290686768), (2, 645343384), (4, 322671692), (7, 184383824), (8, 161335846), (14, 92191912), (16, 80667923), (23, 56116816), (28, 46095956), (46, 28058408), (56, 23047978), (92, 14029204), (112, 11523989), (161, 8016688), (184, 7014602), (322, 4008344), (368, 3507301), (644, 2004172), (1288, 1002086), (2576, 501043)]