201697904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{406649}}^1$

素因数の和:406688

約数の個数: 20

約数和(自身を含む): 403396800

約数和(自身を除く): 201698896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 406649, 813298, 1626596, 3253192, 6506384, 12606119, 25212238, 50424476, 100848952, 201697904]

約数ペア:

[(1, 201697904), (2, 100848952), (4, 50424476), (8, 25212238), (16, 12606119), (31, 6506384), (62, 3253192), (124, 1626596), (248, 813298), (496, 406649)]