305228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 666624

約数和(自身を除く): 361396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 991, 1982, 3964, 6937, 10901, 13874, 21802, 27748, 43604, 76307, 152614, 305228]

約数ペア:

[(1, 305228), (2, 152614), (4, 76307), (7, 43604), (11, 27748), (14, 21802), (22, 13874), (28, 10901), (44, 6937), (77, 3964), (154, 1982), (308, 991)]