1317960721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{3491}}^1\times {\mathrm{4903}}^1$

素因数の和:8412

約数の個数: 16

約数和(自身を含む): 1643977728

約数和(自身を除く): 326017007

約数列:

[1, 7, 11, 77, 3491, 4903, 24437, 34321, 38401, 53933, 268807, 377531, 17116373, 119814611, 188280103, 1317960721]

約数ペア:

[(1, 1317960721), (7, 188280103), (11, 119814611), (77, 17116373), (3491, 377531), (4903, 268807), (24437, 53933), (34321, 38401)]