215686856

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 513912000

約数和(自身を除く): 298225144

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 139, 154, 229, 242, 278, 308, 458, 484, 556, 616, 847, 916, 968, 973, 1112, 1529, 1603, 1694, 1832, 1946, 2519, 3058, 3206, 3388, 3892, 5038, 6116, 6412, 6776, 7784, 10076, 10703, 12232, 12824, 16819, 17633, 20152, 21406, 27709, 31831, 33638, 35266, 42812, 55418, 63662, 67276, 70532, 85624, 110836, 117733, 127324, 134552, 141064, 193963, 221672, 222817, 235466, 254648, 350141, 387926, 445634, 470932, 700282, 775852, 891268, 941864, 1400564, 1551704, 1782536, 2450987, 2801128, 3851551, 4901974, 7703102, 9803948, 15406204, 19607896, 26960857, 30812408, 53921714, 107843428, 215686856]

約数ペア:

[(1, 215686856), (2, 107843428), (4, 53921714), (7, 30812408), (8, 26960857), (11, 19607896), (14, 15406204), (22, 9803948), (28, 7703102), (44, 4901974), (56, 3851551), (77, 2801128), (88, 2450987), (121, 1782536), (139, 1551704), (154, 1400564), (229, 941864), (242, 891268), (278, 775852), (308, 700282), (458, 470932), (484, 445634), (556, 387926), (616, 350141), (847, 254648), (916, 235466), (968, 222817), (973, 221672), (1112, 193963), (1529, 141064), (1603, 134552), (1694, 127324), (1832, 117733), (1946, 110836), (2519, 85624), (3058, 70532), (3206, 67276), (3388, 63662), (3892, 55418), (5038, 42812), (6116, 35266), (6412, 33638), (6776, 31831), (7784, 27709), (10076, 21406), (10703, 20152), (12232, 17633), (12824, 16819)]