81624456

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19889}}^1$

素因数の和:19923

約数の個数: 64

約数和(自身を含む): 238680000

約数和(自身を除く): 157055544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 19889, 39778, 59667, 79556, 119334, 159112, 179001, 238668, 358002, 377891, 477336, 537003, 716004, 755782, 1074006, 1133673, 1432008, 1511564, 2148012, 2267346, 3023128, 3401019, 4296024, 4534692, 6802038, 9069384, 10203057, 13604076, 20406114, 27208152, 40812228, 81624456]

約数ペア:

[(1, 81624456), (2, 40812228), (3, 27208152), (4, 20406114), (6, 13604076), (8, 10203057), (9, 9069384), (12, 6802038), (18, 4534692), (19, 4296024), (24, 3401019), (27, 3023128), (36, 2267346), (38, 2148012), (54, 1511564), (57, 1432008), (72, 1133673), (76, 1074006), (108, 755782), (114, 716004), (152, 537003), (171, 477336), (216, 377891), (228, 358002), (342, 238668), (456, 179001), (513, 159112), (684, 119334), (1026, 79556), (1368, 59667), (2052, 39778), (4104, 19889)]