1978156974

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 4126314816

約数和(自身を除く): 2148157842

約数列:

[1, 2, 3, 6, 37, 74, 111, 137, 193, 222, 274, 337, 386, 411, 579, 674, 822, 1011, 1158, 2022, 5069, 7141, 10138, 12469, 14282, 15207, 21423, 24938, 26441, 30414, 37407, 42846, 46169, 52882, 65041, 74814, 79323, 92338, 130082, 138507, 158646, 195123, 277014, 390246, 978317, 1708253, 1956634, 2406517, 2934951, 3416506, 4813034, 5124759, 5869902, 7219551, 8910617, 10249518, 14439102, 17821234, 26731851, 53463702, 329692829, 659385658, 989078487, 1978156974]

約数ペア:

[(1, 1978156974), (2, 989078487), (3, 659385658), (6, 329692829), (37, 53463702), (74, 26731851), (111, 17821234), (137, 14439102), (193, 10249518), (222, 8910617), (274, 7219551), (337, 5869902), (386, 5124759), (411, 4813034), (579, 3416506), (674, 2934951), (822, 2406517), (1011, 1956634), (1158, 1708253), (2022, 978317), (5069, 390246), (7141, 277014), (10138, 195123), (12469, 158646), (14282, 138507), (15207, 130082), (21423, 92338), (24938, 79323), (26441, 74814), (30414, 65041), (37407, 52882), (42846, 46169)]