217628747

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1907}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 270149904

約数和(自身を除く): 52521157

約数列:

[1, 7, 17, 49, 119, 137, 833, 959, 1907, 2329, 6713, 13349, 16303, 32419, 93443, 114121, 226933, 261259, 1588531, 1828813, 4441403, 12801691, 31089821, 217628747]

約数ペア:

[(1, 217628747), (7, 31089821), (17, 12801691), (49, 4441403), (119, 1828813), (137, 1588531), (833, 261259), (959, 226933), (1907, 114121), (2329, 93443), (6713, 32419), (13349, 16303)]