668879496

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{488947}}^1$

素因数の和:488978

約数の個数: 48

約数和(自身を含む): 1906897200

約数和(自身を除く): 1238017704

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, 488947, 977894, 1466841, 1955788, 2933682, 3911576, 4400523, 5867364, 8801046, 9289993, 11734728, 17602092, 18579986, 27869979, 35204184, 37159972, 55739958, 74319944, 83609937, 111479916, 167219874, 222959832, 334439748, 668879496]

約数ペア:

[(1, 668879496), (2, 334439748), (3, 222959832), (4, 167219874), (6, 111479916), (8, 83609937), (9, 74319944), (12, 55739958), (18, 37159972), (19, 35204184), (24, 27869979), (36, 18579986), (38, 17602092), (57, 11734728), (72, 9289993), (76, 8801046), (114, 5867364), (152, 4400523), (171, 3911576), (228, 2933682), (342, 1955788), (456, 1466841), (684, 977894), (1368, 488947)]