212740703

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 36

約数和(自身を含む): 267524712

約数和(自身を除く): 54784009

約数列:

[1, 7, 17, 49, 83, 119, 181, 289, 581, 833, 1267, 1411, 2023, 3077, 4067, 8869, 9877, 14161, 15023, 21539, 23987, 52309, 69139, 105161, 150773, 167909, 255391, 366163, 736127, 1175363, 1787737, 2563141, 4341647, 12514159, 30391529, 212740703]

約数ペア:

[(1, 212740703), (7, 30391529), (17, 12514159), (49, 4341647), (83, 2563141), (119, 1787737), (181, 1175363), (289, 736127), (581, 366163), (833, 255391), (1267, 167909), (1411, 150773), (2023, 105161), (3077, 69139), (4067, 52309), (8869, 23987), (9877, 21539), (14161, 15023)]