71027873

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 87859200

約数和(自身を除く): 16831327

約数列:

[1, 7, 29, 43, 79, 103, 203, 301, 553, 721, 1247, 2291, 2987, 3397, 4429, 8137, 8729, 16037, 20909, 23779, 31003, 56959, 98513, 128441, 235973, 349891, 689591, 899087, 1651811, 2449237, 10146839, 71027873]

約数ペア:

[(1, 71027873), (7, 10146839), (29, 2449237), (43, 1651811), (79, 899087), (103, 689591), (203, 349891), (301, 235973), (553, 128441), (721, 98513), (1247, 56959), (2291, 31003), (2987, 23779), (3397, 20909), (4429, 16037), (8137, 8729)]