400724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 24

約数和(自身を含む): 762048

約数和(自身を除く): 361324

約数列:

[1, 2, 4, 17, 34, 68, 71, 83, 142, 166, 284, 332, 1207, 1411, 2414, 2822, 4828, 5644, 5893, 11786, 23572, 100181, 200362, 400724]

約数ペア:

[(1, 400724), (2, 200362), (4, 100181), (17, 23572), (34, 11786), (68, 5893), (71, 5644), (83, 4828), (142, 2822), (166, 2414), (284, 1411), (332, 1207)]