1638196

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1427}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 3358656

約数和(自身を除く): 1720460

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 1427, 2854, 5708, 9989, 19978, 39956, 58507, 117014, 234028, 409549, 819098, 1638196]

約数ペア:

[(1, 1638196), (2, 819098), (4, 409549), (7, 234028), (14, 117014), (28, 58507), (41, 39956), (82, 19978), (164, 9989), (287, 5708), (574, 2854), (1148, 1427)]