31380012

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{12277}}^1$

素因数の和:12358

約数の個数: 36

約数和(自身を含む): 80445456

約数和(自身を除く): 49065444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 12277, 24554, 36831, 49108, 73662, 110493, 147324, 220986, 441972, 871667, 1743334, 2615001, 3486668, 5230002, 7845003, 10460004, 15690006, 31380012]

約数ペア:

[(1, 31380012), (2, 15690006), (3, 10460004), (4, 7845003), (6, 5230002), (9, 3486668), (12, 2615001), (18, 1743334), (36, 871667), (71, 441972), (142, 220986), (213, 147324), (284, 110493), (426, 73662), (639, 49108), (852, 36831), (1278, 24554), (2556, 12277)]