128537556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41357}}^1$

素因数の和:41408

約数の個数: 48

約数和(自身を含む): 352039296

約数和(自身を除く): 223501740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 41357, 82714, 124071, 165428, 248142, 289499, 496284, 578998, 868497, 1157996, 1530209, 1736994, 3060418, 3473988, 4590627, 6120836, 9181254, 10711463, 18362508, 21422926, 32134389, 42845852, 64268778, 128537556]

約数ペア:

[(1, 128537556), (2, 64268778), (3, 42845852), (4, 32134389), (6, 21422926), (7, 18362508), (12, 10711463), (14, 9181254), (21, 6120836), (28, 4590627), (37, 3473988), (42, 3060418), (74, 1736994), (84, 1530209), (111, 1157996), (148, 868497), (222, 578998), (259, 496284), (444, 289499), (518, 248142), (777, 165428), (1036, 124071), (1554, 82714), (3108, 41357)]