217213862

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{20411}}^1$

素因数の和:20743

約数の個数: 16

約数和(自身を含む): 346105872

約数和(自身を除く): 128892010

約数列:

[1, 2, 17, 34, 313, 626, 5321, 10642, 20411, 40822, 346987, 693974, 6388643, 12777286, 108606931, 217213862]

約数ペア:

[(1, 217213862), (2, 108606931), (17, 12777286), (34, 6388643), (313, 693974), (626, 346987), (5321, 40822), (10642, 20411)]