219906428

素因数分解:

$2^2\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{7559}}^1$

素因数の和:8609

約数の個数: 24

約数和(自身を含む): 440294400

約数和(自身を除く): 220387972

約数列:

[1, 2, 4, 7, 14, 28, 1039, 2078, 4156, 7273, 7559, 14546, 15118, 29092, 30236, 52913, 105826, 211652, 7853801, 15707602, 31415204, 54976607, 109953214, 219906428]

約数ペア:

[(1, 219906428), (2, 109953214), (4, 54976607), (7, 31415204), (14, 15707602), (28, 7853801), (1039, 211652), (2078, 105826), (4156, 52913), (7273, 30236), (7559, 29092), (14546, 15118)]