290987816

素因数分解:

$2^3\times 7^1\times {\mathrm{5196211}}^1$

素因数の和:5196224

約数の個数: 16

約数和(自身を含む): 623545440

約数和(自身を除く): 332557624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 5196211, 10392422, 20784844, 36373477, 41569688, 72746954, 145493908, 290987816]

約数ペア:

[(1, 290987816), (2, 145493908), (4, 72746954), (7, 41569688), (8, 36373477), (14, 20784844), (28, 10392422), (56, 5196211)]