40239017

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 56730240

約数和(自身を除く): 16491223

約数列:

[1, 7, 13, 17, 19, 37, 91, 119, 133, 221, 247, 259, 323, 481, 629, 703, 1369, 1547, 1729, 2261, 3367, 4199, 4403, 4921, 8177, 9139, 9583, 11951, 17797, 23273, 26011, 29393, 57239, 63973, 83657, 124579, 155363, 162911, 182077, 302549, 338143, 442187, 1087541, 2117843, 2367001, 3095309, 5748431, 40239017]

約数ペア:

[(1, 40239017), (7, 5748431), (13, 3095309), (17, 2367001), (19, 2117843), (37, 1087541), (91, 442187), (119, 338143), (133, 302549), (221, 182077), (247, 162911), (259, 155363), (323, 124579), (481, 83657), (629, 63973), (703, 57239), (1369, 29393), (1547, 26011), (1729, 23273), (2261, 17797), (3367, 11951), (4199, 9583), (4403, 9139), (4921, 8177)]