90238456

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{557}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 212129280

約数和(自身を除く): 121890824

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 263, 308, 526, 557, 616, 1052, 1114, 1841, 2104, 2228, 2893, 3682, 3899, 4456, 5786, 6127, 7364, 7798, 11572, 12254, 14728, 15596, 20251, 23144, 24508, 31192, 40502, 42889, 49016, 81004, 85778, 146491, 162008, 171556, 292982, 343112, 585964, 1025437, 1171928, 1611401, 2050874, 3222802, 4101748, 6445604, 8203496, 11279807, 12891208, 22559614, 45119228, 90238456]

約数ペア:

[(1, 90238456), (2, 45119228), (4, 22559614), (7, 12891208), (8, 11279807), (11, 8203496), (14, 6445604), (22, 4101748), (28, 3222802), (44, 2050874), (56, 1611401), (77, 1171928), (88, 1025437), (154, 585964), (263, 343112), (308, 292982), (526, 171556), (557, 162008), (616, 146491), (1052, 85778), (1114, 81004), (1841, 49016), (2104, 42889), (2228, 40502), (2893, 31192), (3682, 24508), (3899, 23144), (4456, 20251), (5786, 15596), (6127, 14728), (7364, 12254), (7798, 11572)]