391330274

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 608446080

約数和(自身を除く): 217115806

約数列:

[1, 2, 71, 109, 131, 142, 193, 218, 262, 386, 7739, 9301, 13703, 14279, 15478, 18602, 21037, 25283, 27406, 28558, 42074, 50566, 1013809, 1493627, 1795093, 2027618, 2755847, 2987254, 3590186, 5511694, 195665137, 391330274]

約数ペア:

[(1, 391330274), (2, 195665137), (71, 5511694), (109, 3590186), (131, 2987254), (142, 2755847), (193, 2027618), (218, 1795093), (262, 1493627), (386, 1013809), (7739, 50566), (9301, 42074), (13703, 28558), (14279, 27406), (15478, 25283), (18602, 21037)]