397498736

素因数分解:

$2^4\times {\mathrm{2689}}^1\times {\mathrm{9239}}^1$

素因数の和:11936

約数の個数: 20

約数和(自身を含む): 770523600

約数和(自身を除く): 373024864

約数列:

[1, 2, 4, 8, 16, 2689, 5378, 9239, 10756, 18478, 21512, 36956, 43024, 73912, 147824, 24843671, 49687342, 99374684, 198749368, 397498736]

約数ペア:

[(1, 397498736), (2, 198749368), (4, 99374684), (8, 49687342), (16, 24843671), (2689, 147824), (5378, 73912), (9239, 43024), (10756, 36956), (18478, 21512)]