390129992

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{26489}}^1$

素因数の和:26765

約数の個数: 32

約数和(自身を含む): 839203200

約数和(自身を除く): 449073208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1841, 2104, 3682, 7364, 14728, 26489, 52978, 105956, 185423, 211912, 370846, 741692, 1483384, 6966607, 13933214, 27866428, 48766249, 55732856, 97532498, 195064996, 390129992]

約数ペア:

[(1, 390129992), (2, 195064996), (4, 97532498), (7, 55732856), (8, 48766249), (14, 27866428), (28, 13933214), (56, 6966607), (263, 1483384), (526, 741692), (1052, 370846), (1841, 211912), (2104, 185423), (3682, 105956), (7364, 52978), (14728, 26489)]