664755824

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{499}}^1\times {\mathrm{599}}^1$

素因数の和:1245

約数の個数: 40

約数和(自身を含む): 1302000000

約数和(自身を除く): 637244176

約数列:

[1, 2, 4, 8, 16, 139, 278, 499, 556, 599, 998, 1112, 1198, 1996, 2224, 2396, 3992, 4792, 7984, 9584, 69361, 83261, 138722, 166522, 277444, 298901, 333044, 554888, 597802, 666088, 1109776, 1195604, 1332176, 2391208, 4782416, 41547239, 83094478, 166188956, 332377912, 664755824]

約数ペア:

[(1, 664755824), (2, 332377912), (4, 166188956), (8, 83094478), (16, 41547239), (139, 4782416), (278, 2391208), (499, 1332176), (556, 1195604), (599, 1109776), (998, 666088), (1112, 597802), (1198, 554888), (1996, 333044), (2224, 298901), (2396, 277444), (3992, 166522), (4792, 138722), (7984, 83261), (9584, 69361)]