7113140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20921}}^1$

素因数の和:20947

約数の個数: 24

約数和(自身を含む): 15817032

約数和(自身を除く): 8703892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 20921, 41842, 83684, 104605, 209210, 355657, 418420, 711314, 1422628, 1778285, 3556570, 7113140]

約数ペア:

[(1, 7113140), (2, 3556570), (4, 1778285), (5, 1422628), (10, 711314), (17, 418420), (20, 355657), (34, 209210), (68, 104605), (85, 83684), (170, 41842), (340, 20921)]