87989988

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{3821}}^1$

素因数の和:3948

約数の個数: 48

約数和(自身を含む): 218312640

約数和(自身を除く): 130322652

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 101, 114, 202, 228, 303, 404, 606, 1212, 1919, 3821, 3838, 5757, 7642, 7676, 11463, 11514, 15284, 22926, 23028, 45852, 72599, 145198, 217797, 290396, 385921, 435594, 771842, 871188, 1157763, 1543684, 2315526, 4631052, 7332499, 14664998, 21997497, 29329996, 43994994, 87989988]

約数ペア:

[(1, 87989988), (2, 43994994), (3, 29329996), (4, 21997497), (6, 14664998), (12, 7332499), (19, 4631052), (38, 2315526), (57, 1543684), (76, 1157763), (101, 871188), (114, 771842), (202, 435594), (228, 385921), (303, 290396), (404, 217797), (606, 145198), (1212, 72599), (1919, 45852), (3821, 23028), (3838, 22926), (5757, 15284), (7642, 11514), (7676, 11463)]