388640468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{85303}}^1$

素因数の和:85391

約数の個数: 24

約数和(自身を含む): 730884672

約数和(自身を除く): 342244204

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4556, 85303, 170606, 341212, 1450151, 2900302, 5715301, 5800604, 11430602, 22861204, 97160117, 194320234, 388640468]

約数ペア:

[(1, 388640468), (2, 194320234), (4, 97160117), (17, 22861204), (34, 11430602), (67, 5800604), (68, 5715301), (134, 2900302), (268, 1450151), (1139, 341212), (2278, 170606), (4556, 85303)]