28563028

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 59028480

約数和(自身を除く): 30465452

約数列:

[1, 2, 4, 13, 26, 29, 31, 47, 52, 58, 62, 94, 116, 124, 169, 188, 338, 377, 403, 611, 676, 754, 806, 899, 1222, 1363, 1457, 1508, 1612, 1798, 2444, 2726, 2914, 3596, 4901, 5239, 5452, 5828, 7943, 9802, 10478, 11687, 15886, 17719, 18941, 19604, 20956, 23374, 31772, 35438, 37882, 42253, 46748, 70876, 75764, 84506, 151931, 169012, 230347, 246233, 303862, 460694, 492466, 549289, 607724, 921388, 984932, 1098578, 2197156, 7140757, 14281514, 28563028]

約数ペア:

[(1, 28563028), (2, 14281514), (4, 7140757), (13, 2197156), (26, 1098578), (29, 984932), (31, 921388), (47, 607724), (52, 549289), (58, 492466), (62, 460694), (94, 303862), (116, 246233), (124, 230347), (169, 169012), (188, 151931), (338, 84506), (377, 75764), (403, 70876), (611, 46748), (676, 42253), (754, 37882), (806, 35438), (899, 31772), (1222, 23374), (1363, 20956), (1457, 19604), (1508, 18941), (1612, 17719), (1798, 15886), (2444, 11687), (2726, 10478), (2914, 9802), (3596, 7943), (4901, 5828), (5239, 5452)]