28357966

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22259}}^1$

素因数の和:22288

約数の個数: 24

約数和(自身を含む): 53290440

約数和(自身を除く): 24932474

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 22259, 44518, 155813, 289367, 311626, 578734, 1090691, 2025569, 2181382, 4051138, 14178983, 28357966]

約数ペア:

[(1, 28357966), (2, 14178983), (7, 4051138), (13, 2181382), (14, 2025569), (26, 1090691), (49, 578734), (91, 311626), (98, 289367), (182, 155813), (637, 44518), (1274, 22259)]