311939908

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{80149}}^1$

素因数の和:80299

約数の個数: 24

約数和(自身を含む): 628376000

約数和(自身を除く): 316436092

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 80149, 160298, 320596, 561043, 1122086, 2244172, 11140711, 22281422, 44562844, 77984977, 155969954, 311939908]

約数ペア:

[(1, 311939908), (2, 155969954), (4, 77984977), (7, 44562844), (14, 22281422), (28, 11140711), (139, 2244172), (278, 1122086), (556, 561043), (973, 320596), (1946, 160298), (3892, 80149)]