211909434

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{811}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 479872512

約数和(自身を除く): 267963078

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 107, 111, 214, 222, 321, 407, 642, 811, 814, 1177, 1221, 1622, 2354, 2433, 2442, 3531, 3959, 4866, 7062, 7918, 8921, 11877, 17842, 23754, 26763, 30007, 43549, 53526, 60014, 86777, 87098, 90021, 130647, 173554, 180042, 260331, 261294, 330077, 520662, 660154, 954547, 990231, 1909094, 1980462, 2863641, 3210749, 5727282, 6421498, 9632247, 19264494, 35318239, 70636478, 105954717, 211909434]

約数ペア:

[(1, 211909434), (2, 105954717), (3, 70636478), (6, 35318239), (11, 19264494), (22, 9632247), (33, 6421498), (37, 5727282), (66, 3210749), (74, 2863641), (107, 1980462), (111, 1909094), (214, 990231), (222, 954547), (321, 660154), (407, 520662), (642, 330077), (811, 261294), (814, 260331), (1177, 180042), (1221, 173554), (1622, 130647), (2354, 90021), (2433, 87098), (2442, 86777), (3531, 60014), (3959, 53526), (4866, 43549), (7062, 30007), (7918, 26763), (8921, 23754), (11877, 17842)]