257493502

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{3779}}^1$

素因数の和:3976

約数の個数: 32

約数和(自身を含む): 458680320

約数和(自身を除く): 201186818

約数列:

[1, 2, 7, 14, 31, 62, 157, 217, 314, 434, 1099, 2198, 3779, 4867, 7558, 9734, 26453, 34069, 52906, 68138, 117149, 234298, 593303, 820043, 1186606, 1640086, 4153121, 8306242, 18392393, 36784786, 128746751, 257493502]

約数ペア:

[(1, 257493502), (2, 128746751), (7, 36784786), (14, 18392393), (31, 8306242), (62, 4153121), (157, 1640086), (217, 1186606), (314, 820043), (434, 593303), (1099, 234298), (2198, 117149), (3779, 68138), (4867, 52906), (7558, 34069), (9734, 26453)]