219374806

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{220699}}^1$

素因数の和:220779

約数の個数: 16

約数和(自身を含む): 381369600

約数和(自身を除く): 161994794

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 220699, 441398, 1544893, 3089786, 15669629, 31339258, 109687403, 219374806]

約数ペア:

[(1, 219374806), (2, 109687403), (7, 31339258), (14, 15669629), (71, 3089786), (142, 1544893), (497, 441398), (994, 220699)]