31506534

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 70256160

約数和(自身を除く): 38749626

約数列:

[1, 2, 3, 6, 9, 18, 71, 89, 142, 178, 213, 267, 277, 426, 534, 554, 639, 801, 831, 1278, 1602, 1662, 2493, 4986, 6319, 12638, 18957, 19667, 24653, 37914, 39334, 49306, 56871, 59001, 73959, 113742, 118002, 147918, 177003, 221877, 354006, 443754, 1750363, 3500726, 5251089, 10502178, 15753267, 31506534]

約数ペア:

[(1, 31506534), (2, 15753267), (3, 10502178), (6, 5251089), (9, 3500726), (18, 1750363), (71, 443754), (89, 354006), (142, 221877), (178, 177003), (213, 147918), (267, 118002), (277, 113742), (426, 73959), (534, 59001), (554, 56871), (639, 49306), (801, 39334), (831, 37914), (1278, 24653), (1602, 19667), (1662, 18957), (2493, 12638), (4986, 6319)]