28438668

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{13859}}^1$

素因数の和:13891

約数の個数: 48

約数和(自身を含む): 77616000

約数和(自身を除く): 49177332

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, 13859, 27718, 41577, 55436, 83154, 124731, 166308, 249462, 263321, 374193, 498924, 526642, 748386, 789963, 1053284, 1496772, 1579926, 2369889, 3159852, 4739778, 7109667, 9479556, 14219334, 28438668]

約数ペア:

[(1, 28438668), (2, 14219334), (3, 9479556), (4, 7109667), (6, 4739778), (9, 3159852), (12, 2369889), (18, 1579926), (19, 1496772), (27, 1053284), (36, 789963), (38, 748386), (54, 526642), (57, 498924), (76, 374193), (108, 263321), (114, 249462), (171, 166308), (228, 124731), (342, 83154), (513, 55436), (684, 41577), (1026, 27718), (2052, 13859)]