2971781281

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{70393}}^1$

素因数の和:70600

約数の個数: 16

約数和(自身を含む): 3509563264

約数和(自身を除く): 537781983

約数列:

[1, 7, 37, 163, 259, 1141, 6031, 42217, 70393, 492751, 2604541, 11474059, 18231787, 80318413, 424540183, 2971781281]

約数ペア:

[(1, 2971781281), (7, 424540183), (37, 80318413), (163, 18231787), (259, 11474059), (1141, 2604541), (6031, 492751), (42217, 70393)]