28344276

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{727}}^1$

素因数の和:778

約数の個数: 72

約数和(自身を含む): 77663040

約数和(自身を除く): 49318764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 361, 513, 684, 722, 727, 1026, 1083, 1444, 1454, 2052, 2166, 2181, 2908, 3249, 4332, 4362, 6498, 6543, 8724, 9747, 12996, 13086, 13813, 19494, 19629, 26172, 27626, 38988, 39258, 41439, 55252, 78516, 82878, 124317, 165756, 248634, 262447, 372951, 497268, 524894, 745902, 787341, 1049788, 1491804, 1574682, 2362023, 3149364, 4724046, 7086069, 9448092, 14172138, 28344276]

約数ペア:

[(1, 28344276), (2, 14172138), (3, 9448092), (4, 7086069), (6, 4724046), (9, 3149364), (12, 2362023), (18, 1574682), (19, 1491804), (27, 1049788), (36, 787341), (38, 745902), (54, 524894), (57, 497268), (76, 372951), (108, 262447), (114, 248634), (171, 165756), (228, 124317), (342, 82878), (361, 78516), (513, 55252), (684, 41439), (722, 39258), (727, 38988), (1026, 27626), (1083, 26172), (1444, 19629), (1454, 19494), (2052, 13813), (2166, 13086), (2181, 12996), (2908, 9747), (3249, 8724), (4332, 6543), (4362, 6498)]