890239679

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1667}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 1106804736

約数和(自身を除く): 216565057

約数列:

[1, 7, 23, 31, 107, 161, 217, 713, 749, 1667, 2461, 3317, 4991, 11669, 17227, 23219, 38341, 51677, 76291, 178369, 268387, 361739, 534037, 1188571, 1248583, 4102487, 5529439, 8319997, 28717409, 38706073, 127177097, 890239679]

約数ペア:

[(1, 890239679), (7, 127177097), (23, 38706073), (31, 28717409), (107, 8319997), (161, 5529439), (217, 4102487), (713, 1248583), (749, 1188571), (1667, 534037), (2461, 361739), (3317, 268387), (4991, 178369), (11669, 76291), (17227, 51677), (23219, 38341)]