198877788

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{5101}}^1$

素因数の和:5152

約数の個数: 72

約数和(自身を含む): 544281360

約数和(自身を除く): 345403572

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, 1026, 1083, 1444, 2052, 2166, 3249, 4332, 5101, 6498, 9747, 10202, 12996, 15303, 19494, 20404, 30606, 38988, 45909, 61212, 91818, 96919, 137727, 183636, 193838, 275454, 290757, 387676, 550908, 581514, 872271, 1163028, 1744542, 1841461, 2616813, 3489084, 3682922, 5233626, 5524383, 7365844, 10467252, 11048766, 16573149, 22097532, 33146298, 49719447, 66292596, 99438894, 198877788]

約数ペア:

[(1, 198877788), (2, 99438894), (3, 66292596), (4, 49719447), (6, 33146298), (9, 22097532), (12, 16573149), (18, 11048766), (19, 10467252), (27, 7365844), (36, 5524383), (38, 5233626), (54, 3682922), (57, 3489084), (76, 2616813), (108, 1841461), (114, 1744542), (171, 1163028), (228, 872271), (342, 581514), (361, 550908), (513, 387676), (684, 290757), (722, 275454), (1026, 193838), (1083, 183636), (1444, 137727), (2052, 96919), (2166, 91818), (3249, 61212), (4332, 45909), (5101, 38988), (6498, 30606), (9747, 20404), (10202, 19494), (12996, 15303)]