1315786444

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1\times {\mathrm{1709}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 2721116160

約数和(自身を除く): 1405329716

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 887, 1709, 1774, 3418, 3548, 6209, 6836, 11963, 12418, 23926, 24836, 27497, 47852, 52979, 54994, 105958, 109988, 192479, 211916, 370853, 384958, 741706, 769916, 1483412, 1515883, 3031766, 6063532, 10611181, 21222362, 42444724, 46992373, 93984746, 187969492, 328946611, 657893222, 1315786444]

約数ペア:

[(1, 1315786444), (2, 657893222), (4, 328946611), (7, 187969492), (14, 93984746), (28, 46992373), (31, 42444724), (62, 21222362), (124, 10611181), (217, 6063532), (434, 3031766), (868, 1515883), (887, 1483412), (1709, 769916), (1774, 741706), (3418, 384958), (3548, 370853), (6209, 211916), (6836, 192479), (11963, 109988), (12418, 105958), (23926, 54994), (24836, 52979), (27497, 47852)]