1389859184

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{264031}}^1$

素因数の和:264093

約数の個数: 40

約数和(自身を含む): 3143036928

約数和(自身を除く): 1753177744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 5264, 264031, 528062, 1056124, 1848217, 2112248, 3696434, 4224496, 7392868, 12409457, 14785736, 24818914, 29571472, 49637828, 86866199, 99275656, 173732398, 198551312, 347464796, 694929592, 1389859184]

約数ペア:

[(1, 1389859184), (2, 694929592), (4, 347464796), (7, 198551312), (8, 173732398), (14, 99275656), (16, 86866199), (28, 49637828), (47, 29571472), (56, 24818914), (94, 14785736), (112, 12409457), (188, 7392868), (329, 4224496), (376, 3696434), (658, 2112248), (752, 1848217), (1316, 1056124), (2632, 528062), (5264, 264031)]