1661297281

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 2042163200

約数和(自身を除く): 380865919

約数列:

[1, 7, 19, 73, 133, 139, 511, 973, 1231, 1387, 2641, 8617, 9709, 10147, 18487, 23389, 71029, 89863, 163723, 171109, 192793, 629041, 1197763, 1349551, 1707397, 3251071, 11951779, 12490957, 22757497, 87436699, 237328183, 1661297281]

約数ペア:

[(1, 1661297281), (7, 237328183), (19, 87436699), (73, 22757497), (133, 12490957), (139, 11951779), (511, 3251071), (973, 1707397), (1231, 1349551), (1387, 1197763), (2641, 629041), (8617, 192793), (9709, 171109), (10147, 163723), (18487, 89863), (23389, 71029)]