217139868

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7723}}^1$

素因数の和:7815

約数の個数: 72

約数和(自身を含む): 607291776

約数和(自身を除く): 390151908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 781, 852, 1278, 1562, 2343, 2556, 3124, 4686, 7029, 7723, 9372, 14058, 15446, 23169, 28116, 30892, 46338, 69507, 84953, 92676, 139014, 169906, 254859, 278028, 339812, 509718, 548333, 764577, 1019436, 1096666, 1529154, 1644999, 2193332, 3058308, 3289998, 4934997, 6031663, 6579996, 9869994, 12063326, 18094989, 19739988, 24126652, 36189978, 54284967, 72379956, 108569934, 217139868]

約数ペア:

[(1, 217139868), (2, 108569934), (3, 72379956), (4, 54284967), (6, 36189978), (9, 24126652), (11, 19739988), (12, 18094989), (18, 12063326), (22, 9869994), (33, 6579996), (36, 6031663), (44, 4934997), (66, 3289998), (71, 3058308), (99, 2193332), (132, 1644999), (142, 1529154), (198, 1096666), (213, 1019436), (284, 764577), (396, 548333), (426, 509718), (639, 339812), (781, 278028), (852, 254859), (1278, 169906), (1562, 139014), (2343, 92676), (2556, 84953), (3124, 69507), (4686, 46338), (7029, 30892), (7723, 28116), (9372, 23169), (14058, 15446)]