644864

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:256

約数の個数: 36

約数和(自身を含む): 1410360

約数和(自身を除く): 765496

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 229, 256, 352, 458, 704, 916, 1408, 1832, 2519, 2816, 3664, 5038, 7328, 10076, 14656, 20152, 29312, 40304, 58624, 80608, 161216, 322432, 644864]

約数ペア:

[(1, 644864), (2, 322432), (4, 161216), (8, 80608), (11, 58624), (16, 40304), (22, 29312), (32, 20152), (44, 14656), (64, 10076), (88, 7328), (128, 5038), (176, 3664), (229, 2816), (256, 2519), (352, 1832), (458, 1408), (704, 916)]