385212976

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{220879}}^1$

素因数の和:220996

約数の個数: 20

約数和(自身を含む): 753200800

約数和(自身を除く): 367987824

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 220879, 441758, 883516, 1767032, 3534064, 24075811, 48151622, 96303244, 192606488, 385212976]

約数ペア:

[(1, 385212976), (2, 192606488), (4, 96303244), (8, 48151622), (16, 24075811), (109, 3534064), (218, 1767032), (436, 883516), (872, 441758), (1744, 220879)]