78089487

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 129576960

約数和(自身を除く): 51487473

約数列:

[1, 3, 7, 19, 21, 49, 57, 73, 133, 147, 219, 383, 399, 511, 931, 1149, 1387, 1533, 2681, 2793, 3577, 4161, 7277, 8043, 9709, 10731, 18767, 21831, 27959, 29127, 50939, 56301, 67963, 83877, 152817, 195713, 203889, 356573, 531221, 587139, 1069719, 1369991, 1593663, 3718547, 4109973, 11155641, 26029829, 78089487]

約数ペア:

[(1, 78089487), (3, 26029829), (7, 11155641), (19, 4109973), (21, 3718547), (49, 1593663), (57, 1369991), (73, 1069719), (133, 587139), (147, 531221), (219, 356573), (383, 203889), (399, 195713), (511, 152817), (931, 83877), (1149, 67963), (1387, 56301), (1533, 50939), (2681, 29127), (2793, 27959), (3577, 21831), (4161, 18767), (7277, 10731), (8043, 9709)]