2011018191

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{757}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 3406706688

約数和(自身を除く): 1395688497

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 263, 273, 481, 757, 777, 789, 1443, 1841, 2271, 3367, 3419, 5299, 5523, 9731, 9841, 10101, 10257, 15897, 23933, 28009, 29193, 29523, 68117, 68887, 71799, 84027, 126503, 196063, 199091, 204351, 206661, 364117, 379509, 588189, 597273, 885521, 1092351, 1393637, 2548819, 2588183, 2656563, 4180911, 7366367, 7646457, 7764549, 18117281, 22099101, 51564569, 54351843, 95762771, 154693707, 287288313, 670339397, 2011018191]

約数ペア:

[(1, 2011018191), (3, 670339397), (7, 287288313), (13, 154693707), (21, 95762771), (37, 54351843), (39, 51564569), (91, 22099101), (111, 18117281), (259, 7764549), (263, 7646457), (273, 7366367), (481, 4180911), (757, 2656563), (777, 2588183), (789, 2548819), (1443, 1393637), (1841, 1092351), (2271, 885521), (3367, 597273), (3419, 588189), (5299, 379509), (5523, 364117), (9731, 206661), (9841, 204351), (10101, 199091), (10257, 196063), (15897, 126503), (23933, 84027), (28009, 71799), (29193, 68887), (29523, 68117)]