28619928

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{20921}}^1$

素因数の和:20952

約数の個数: 48

約数和(自身を含む): 81595800

約数和(自身を除く): 52975872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 20921, 41842, 62763, 83684, 125526, 167368, 188289, 251052, 376578, 397499, 502104, 753156, 794998, 1192497, 1506312, 1589996, 2384994, 3179992, 3577491, 4769988, 7154982, 9539976, 14309964, 28619928]

約数ペア:

[(1, 28619928), (2, 14309964), (3, 9539976), (4, 7154982), (6, 4769988), (8, 3577491), (9, 3179992), (12, 2384994), (18, 1589996), (19, 1506312), (24, 1192497), (36, 794998), (38, 753156), (57, 502104), (72, 397499), (76, 376578), (114, 251052), (152, 188289), (171, 167368), (228, 125526), (342, 83684), (456, 62763), (684, 41842), (1368, 20921)]