1639844528

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{357109}}^1$

素因数の和:357165

約数の個数: 40

約数和(自身を含む): 3719657760

約数和(自身を除く): 2079813232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 357109, 714218, 1428436, 2499763, 2856872, 4999526, 5713744, 9999052, 14641469, 19998104, 29282938, 39996208, 58565876, 102490283, 117131752, 204980566, 234263504, 409961132, 819922264, 1639844528]

約数ペア:

[(1, 1639844528), (2, 819922264), (4, 409961132), (7, 234263504), (8, 204980566), (14, 117131752), (16, 102490283), (28, 58565876), (41, 39996208), (56, 29282938), (82, 19998104), (112, 14641469), (164, 9999052), (287, 5713744), (328, 4999526), (574, 2856872), (656, 2499763), (1148, 1428436), (2296, 714218), (4592, 357109)]