1328021264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4368491}}^1$

素因数の和:4368518

約数の個数: 20

約数和(自身を含む): 2708465040

約数和(自身を除く): 1380443776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4368491, 8736982, 17473964, 34947928, 69895856, 83001329, 166002658, 332005316, 664010632, 1328021264]

約数ペア:

[(1, 1328021264), (2, 664010632), (4, 332005316), (8, 166002658), (16, 83001329), (19, 69895856), (38, 34947928), (76, 17473964), (152, 8736982), (304, 4368491)]