28287116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2954

約数の個数: 48

約数和(自身を含む): 61598880

約数和(自身を除く): 33311764

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 2909, 4862, 5818, 9724, 11636, 31999, 37817, 49453, 63998, 75634, 98906, 127996, 151268, 197812, 415987, 543983, 642889, 831974, 1087966, 1285778, 1663948, 2175932, 2571556, 7071779, 14143558, 28287116]

約数ペア:

[(1, 28287116), (2, 14143558), (4, 7071779), (11, 2571556), (13, 2175932), (17, 1663948), (22, 1285778), (26, 1087966), (34, 831974), (44, 642889), (52, 543983), (68, 415987), (143, 197812), (187, 151268), (221, 127996), (286, 98906), (374, 75634), (442, 63998), (572, 49453), (748, 37817), (884, 31999), (2431, 11636), (2909, 9724), (4862, 5818)]