28418978

素因数分解:

$2^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{3217}}^1$

素因数の和:3857

約数の個数: 16

約数和(自身を含む): 48810624

約数和(自身を除く): 20391646

約数列:

[1, 2, 7, 14, 631, 1262, 3217, 4417, 6434, 8834, 22519, 45038, 2029927, 4059854, 14209489, 28418978]

約数ペア:

[(1, 28418978), (2, 14209489), (7, 4059854), (14, 2029927), (631, 45038), (1262, 22519), (3217, 8834), (4417, 6434)]