210878647

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 257126400

約数和(自身を除く): 46247753

約数列:

[1, 7, 31, 61, 89, 179, 217, 427, 623, 1253, 1891, 2759, 5429, 5549, 10919, 13237, 15931, 19313, 38003, 38843, 76433, 111517, 168299, 338489, 493861, 971791, 1178093, 2369423, 3457027, 6802537, 30125521, 210878647]

約数ペア:

[(1, 210878647), (7, 30125521), (31, 6802537), (61, 3457027), (89, 2369423), (179, 1178093), (217, 971791), (427, 493861), (623, 338489), (1253, 168299), (1891, 111517), (2759, 76433), (5429, 38843), (5549, 38003), (10919, 19313), (13237, 15931)]