491525748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{809}}^1\times {\mathrm{2411}}^1$

素因数の和:3237

約数の個数: 72

約数和(自身を含む): 1422308160

約数和(自身を除く): 930782412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 809, 1618, 2411, 2427, 3236, 4822, 4854, 5663, 7233, 7281, 9644, 9708, 11326, 14466, 14562, 16877, 16989, 21699, 22652, 28932, 29124, 33754, 33978, 43398, 50631, 50967, 67508, 67956, 86796, 101262, 101934, 151893, 202524, 203868, 303786, 607572, 1950499, 3900998, 5851497, 7801996, 11702994, 13653493, 17554491, 23405988, 27306986, 35108982, 40960479, 54613972, 70217964, 81920958, 122881437, 163841916, 245762874, 491525748]

約数ペア:

[(1, 491525748), (2, 245762874), (3, 163841916), (4, 122881437), (6, 81920958), (7, 70217964), (9, 54613972), (12, 40960479), (14, 35108982), (18, 27306986), (21, 23405988), (28, 17554491), (36, 13653493), (42, 11702994), (63, 7801996), (84, 5851497), (126, 3900998), (252, 1950499), (809, 607572), (1618, 303786), (2411, 203868), (2427, 202524), (3236, 151893), (4822, 101934), (4854, 101262), (5663, 86796), (7233, 67956), (7281, 67508), (9644, 50967), (9708, 50631), (11326, 43398), (14466, 33978), (14562, 33754), (16877, 29124), (16989, 28932), (21699, 22652)]