1278243918

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{463}}^1\times {\mathrm{21911}}^1$

素因数の和:22389

約数の個数: 48

約数和(自身を含む): 3172156416

約数和(自身を除く): 1893912498

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 463, 926, 1389, 2778, 3241, 4167, 6482, 8334, 9723, 19446, 21911, 29169, 43822, 58338, 65733, 131466, 153377, 197199, 306754, 394398, 460131, 920262, 1380393, 2760786, 10144793, 20289586, 30434379, 60868758, 71013551, 91303137, 142027102, 182606274, 213040653, 426081306, 639121959, 1278243918]

約数ペア:

[(1, 1278243918), (2, 639121959), (3, 426081306), (6, 213040653), (7, 182606274), (9, 142027102), (14, 91303137), (18, 71013551), (21, 60868758), (42, 30434379), (63, 20289586), (126, 10144793), (463, 2760786), (926, 1380393), (1389, 920262), (2778, 460131), (3241, 394398), (4167, 306754), (6482, 197199), (8334, 153377), (9723, 131466), (19446, 65733), (21911, 58338), (29169, 43822)]