28729368

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{21001}}^1$

素因数の和:21032

約数の個数: 48

約数和(自身を含む): 81907800

約数和(自身を除く): 53178432

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, 21001, 42002, 63003, 84004, 126006, 168008, 189009, 252012, 378018, 399019, 504024, 756036, 798038, 1197057, 1512072, 1596076, 2394114, 3192152, 3591171, 4788228, 7182342, 9576456, 14364684, 28729368]

約数ペア:

[(1, 28729368), (2, 14364684), (3, 9576456), (4, 7182342), (6, 4788228), (8, 3591171), (9, 3192152), (12, 2394114), (18, 1596076), (19, 1512072), (24, 1197057), (36, 798038), (38, 756036), (57, 504024), (72, 399019), (76, 378018), (114, 252012), (152, 189009), (171, 168008), (228, 126006), (342, 84004), (456, 63003), (684, 42002), (1368, 21001)]