64671649

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{6661}}^1$

素因数の和:6760

約数の個数: 16

約数和(自身を含む): 78878080

約数和(自身を除く): 14206431

約数列:

[1, 7, 19, 73, 133, 511, 1387, 6661, 9709, 46627, 126559, 486253, 885913, 3403771, 9238807, 64671649]

約数ペア:

[(1, 64671649), (7, 9238807), (19, 3403771), (73, 885913), (133, 486253), (511, 126559), (1387, 46627), (6661, 9709)]