201816681776

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{77383697}}^1$

素因数の和:77383868

約数の個数: 20

約数和(自身を含む): 393418720632

約数和(自身を除く): 191602038856

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 77383697, 154767394, 309534788, 619069576, 1238139152, 12613542611, 25227085222, 50454170444, 100908340888, 201816681776]

約数ペア:

[(1, 201816681776), (2, 100908340888), (4, 50454170444), (8, 25227085222), (16, 12613542611), (163, 1238139152), (326, 619069576), (652, 309534788), (1304, 154767394), (2608, 77383697)]