28137772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 56165760

約数和(自身を除く): 28027988

約数列:

[1, 2, 4, 13, 26, 29, 47, 52, 58, 94, 116, 188, 377, 397, 611, 754, 794, 1222, 1363, 1508, 1588, 2444, 2726, 5161, 5452, 10322, 11513, 17719, 18659, 20644, 23026, 35438, 37318, 46052, 70876, 74636, 149669, 242567, 299338, 485134, 541111, 598676, 970268, 1082222, 2164444, 7034443, 14068886, 28137772]

約数ペア:

[(1, 28137772), (2, 14068886), (4, 7034443), (13, 2164444), (26, 1082222), (29, 970268), (47, 598676), (52, 541111), (58, 485134), (94, 299338), (116, 242567), (188, 149669), (377, 74636), (397, 70876), (611, 46052), (754, 37318), (794, 35438), (1222, 23026), (1363, 20644), (1508, 18659), (1588, 17719), (2444, 11513), (2726, 10322), (5161, 5452)]