1639730090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1\times {\mathrm{1867}}^1$

素因数の和:3182

約数の個数: 32

約数和(自身を含む): 2997108864

約数和(自身を除く): 1357378774

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1237, 1867, 2474, 3734, 6185, 9335, 12370, 18670, 87827, 132557, 175654, 265114, 439135, 662785, 878270, 1325570, 2309479, 4618958, 11547395, 23094790, 163973009, 327946018, 819865045, 1639730090]

約数ペア:

[(1, 1639730090), (2, 819865045), (5, 327946018), (10, 163973009), (71, 23094790), (142, 11547395), (355, 4618958), (710, 2309479), (1237, 1325570), (1867, 878270), (2474, 662785), (3734, 439135), (6185, 265114), (9335, 175654), (12370, 132557), (18670, 87827)]