198725496

素因数分解:

$2^3\times 3^1\times {\mathrm{397}}^1\times {\mathrm{20857}}^1$

素因数の和:21263

約数の個数: 32

約数和(自身を含む): 498089040

約数和(自身を除く): 299363544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 397, 794, 1191, 1588, 2382, 3176, 4764, 9528, 20857, 41714, 62571, 83428, 125142, 166856, 250284, 500568, 8280229, 16560458, 24840687, 33120916, 49681374, 66241832, 99362748, 198725496]

約数ペア:

[(1, 198725496), (2, 99362748), (3, 66241832), (4, 49681374), (6, 33120916), (8, 24840687), (12, 16560458), (24, 8280229), (397, 500568), (794, 250284), (1191, 166856), (1588, 125142), (2382, 83428), (3176, 62571), (4764, 41714), (9528, 20857)]