81773552

素因数分解:

$2^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2819}}^1$

素因数の和:2878

約数の個数: 60

約数和(自身を含む): 189351720

約数和(自身を除く): 107578168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 98, 112, 148, 196, 259, 296, 392, 518, 592, 784, 1036, 1813, 2072, 2819, 3626, 4144, 5638, 7252, 11276, 14504, 19733, 22552, 29008, 39466, 45104, 78932, 104303, 138131, 157864, 208606, 276262, 315728, 417212, 552524, 730121, 834424, 1105048, 1460242, 1668848, 2210096, 2920484, 5110847, 5840968, 10221694, 11681936, 20443388, 40886776, 81773552]

約数ペア:

[(1, 81773552), (2, 40886776), (4, 20443388), (7, 11681936), (8, 10221694), (14, 5840968), (16, 5110847), (28, 2920484), (37, 2210096), (49, 1668848), (56, 1460242), (74, 1105048), (98, 834424), (112, 730121), (148, 552524), (196, 417212), (259, 315728), (296, 276262), (392, 208606), (518, 157864), (592, 138131), (784, 104303), (1036, 78932), (1813, 45104), (2072, 39466), (2819, 29008), (3626, 22552), (4144, 19733), (5638, 14504), (7252, 11276)]