201781328

素因数分解:

$2^4\times 7^1\times {\mathrm{1801619}}^1$

素因数の和:1801634

約数の個数: 20

約数和(自身を含む): 446801760

約数和(自身を除く): 245020432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1801619, 3603238, 7206476, 12611333, 14412952, 25222666, 28825904, 50445332, 100890664, 201781328]

約数ペア:

[(1, 201781328), (2, 100890664), (4, 50445332), (7, 28825904), (8, 25222666), (14, 14412952), (16, 12611333), (28, 7206476), (56, 3603238), (112, 1801619)]