28721844

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{13997}}^1$

素因数の和:14029

約数の個数: 48

約数和(自身を含む): 78388800

約数和(自身を除く): 49666956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 13997, 27994, 41991, 55988, 83982, 125973, 167964, 251946, 265943, 377919, 503892, 531886, 755838, 797829, 1063772, 1511676, 1595658, 2393487, 3191316, 4786974, 7180461, 9573948, 14360922, 28721844]

約数ペア:

[(1, 28721844), (2, 14360922), (3, 9573948), (4, 7180461), (6, 4786974), (9, 3191316), (12, 2393487), (18, 1595658), (19, 1511676), (27, 1063772), (36, 797829), (38, 755838), (54, 531886), (57, 503892), (76, 377919), (108, 265943), (114, 251946), (171, 167964), (228, 125973), (342, 83982), (513, 55988), (684, 41991), (1026, 27994), (2052, 13997)]