664075916

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{21157}}^1$

素因数の和:21246

約数の個数: 48

約数和(自身を含む): 1421817600

約数和(自身を除く): 757741684

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 59, 76, 118, 133, 236, 266, 413, 532, 826, 1121, 1652, 2242, 4484, 7847, 15694, 21157, 31388, 42314, 84628, 148099, 296198, 401983, 592396, 803966, 1248263, 1607932, 2496526, 2813881, 4993052, 5627762, 8737841, 11255524, 17475682, 23716997, 34951364, 47433994, 94867988, 166018979, 332037958, 664075916]

約数ペア:

[(1, 664075916), (2, 332037958), (4, 166018979), (7, 94867988), (14, 47433994), (19, 34951364), (28, 23716997), (38, 17475682), (59, 11255524), (76, 8737841), (118, 5627762), (133, 4993052), (236, 2813881), (266, 2496526), (413, 1607932), (532, 1248263), (826, 803966), (1121, 592396), (1652, 401983), (2242, 296198), (4484, 148099), (7847, 84628), (15694, 42314), (21157, 31388)]