209212668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{20249}}^1$

素因数の和:20307

約数の個数: 72

約数和(自身を含む): 619164000

約数和(自身を除く): 409951332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 2583, 3444, 5166, 10332, 20249, 40498, 60747, 80996, 121494, 141743, 182241, 242988, 283486, 364482, 425229, 566972, 728964, 830209, 850458, 1275687, 1660418, 1700916, 2490627, 2551374, 3320836, 4981254, 5102748, 5811463, 7471881, 9962508, 11622926, 14943762, 17434389, 23245852, 29887524, 34868778, 52303167, 69737556, 104606334, 209212668]

約数ペア:

[(1, 209212668), (2, 104606334), (3, 69737556), (4, 52303167), (6, 34868778), (7, 29887524), (9, 23245852), (12, 17434389), (14, 14943762), (18, 11622926), (21, 9962508), (28, 7471881), (36, 5811463), (41, 5102748), (42, 4981254), (63, 3320836), (82, 2551374), (84, 2490627), (123, 1700916), (126, 1660418), (164, 1275687), (246, 850458), (252, 830209), (287, 728964), (369, 566972), (492, 425229), (574, 364482), (738, 283486), (861, 242988), (1148, 182241), (1476, 141743), (1722, 121494), (2583, 80996), (3444, 60747), (5166, 40498), (10332, 20249)]