71281512

素因数分解:

$2^3\times 3^3\times {\mathrm{331}}^1\times {\mathrm{997}}^1$

素因数の和:1343

約数の個数: 64

約数和(自身を含む): 198801600

約数和(自身を除く): 127520088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 331, 662, 993, 997, 1324, 1986, 1994, 2648, 2979, 2991, 3972, 3988, 5958, 5982, 7944, 7976, 8937, 8973, 11916, 11964, 17874, 17946, 23832, 23928, 26919, 35748, 35892, 53838, 71496, 71784, 107676, 215352, 330007, 660014, 990021, 1320028, 1980042, 2640056, 2970063, 3960084, 5940126, 7920168, 8910189, 11880252, 17820378, 23760504, 35640756, 71281512]

約数ペア:

[(1, 71281512), (2, 35640756), (3, 23760504), (4, 17820378), (6, 11880252), (8, 8910189), (9, 7920168), (12, 5940126), (18, 3960084), (24, 2970063), (27, 2640056), (36, 1980042), (54, 1320028), (72, 990021), (108, 660014), (216, 330007), (331, 215352), (662, 107676), (993, 71784), (997, 71496), (1324, 53838), (1986, 35892), (1994, 35748), (2648, 26919), (2979, 23928), (2991, 23832), (3972, 17946), (3988, 17874), (5958, 11964), (5982, 11916), (7944, 8973), (7976, 8937)]