321077168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{647333}}^1$

素因数の和:647372

約数の個数: 20

約数和(自身を含む): 642155328

約数和(自身を除く): 321078160

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 647333, 1294666, 2589332, 5178664, 10357328, 20067323, 40134646, 80269292, 160538584, 321077168]

約数ペア:

[(1, 321077168), (2, 160538584), (4, 80269292), (8, 40134646), (16, 20067323), (31, 10357328), (62, 5178664), (124, 2589332), (248, 1294666), (496, 647333)]