421637648

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{201163}}^1$

素因数の和:201302

約数の個数: 20

約数和(自身を含む): 823163088

約数和(自身を除く): 401525440

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 201163, 402326, 804652, 1609304, 3218608, 26352353, 52704706, 105409412, 210818824, 421637648]

約数ペア:

[(1, 421637648), (2, 210818824), (4, 105409412), (8, 52704706), (16, 26352353), (131, 3218608), (262, 1609304), (524, 804652), (1048, 402326), (2096, 201163)]