647884096

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5009}}^1$

素因数の和:5111

約数の個数: 56

約数和(自身を含む): 1343802240

約数和(自身を除く): 695918144

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 64, 86, 94, 172, 188, 344, 376, 688, 752, 1376, 1504, 2021, 2752, 3008, 4042, 5009, 8084, 10018, 16168, 20036, 32336, 40072, 64672, 80144, 129344, 160288, 215387, 235423, 320576, 430774, 470846, 861548, 941692, 1723096, 1883384, 3446192, 3766768, 6892384, 7533536, 10123189, 13784768, 15067072, 20246378, 40492756, 80985512, 161971024, 323942048, 647884096]

約数ペア:

[(1, 647884096), (2, 323942048), (4, 161971024), (8, 80985512), (16, 40492756), (32, 20246378), (43, 15067072), (47, 13784768), (64, 10123189), (86, 7533536), (94, 6892384), (172, 3766768), (188, 3446192), (344, 1883384), (376, 1723096), (688, 941692), (752, 861548), (1376, 470846), (1504, 430774), (2021, 320576), (2752, 235423), (3008, 215387), (4042, 160288), (5009, 129344), (8084, 80144), (10018, 64672), (16168, 40072), (20036, 32336)]