131399478

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7841}}^1$

素因数の和:7882

約数の個数: 72

約数和(自身を含む): 348655320

約数和(自身を除く): 217255842

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1197, 1862, 2394, 2793, 5586, 7841, 8379, 15682, 16758, 23523, 47046, 54887, 70569, 109774, 141138, 148979, 164661, 297958, 329322, 384209, 446937, 493983, 768418, 893874, 987966, 1042853, 1152627, 1340811, 2085706, 2305254, 2681622, 3128559, 3457881, 6257118, 6915762, 7299971, 9385677, 14599942, 18771354, 21899913, 43799826, 65699739, 131399478]

約数ペア:

[(1, 131399478), (2, 65699739), (3, 43799826), (6, 21899913), (7, 18771354), (9, 14599942), (14, 9385677), (18, 7299971), (19, 6915762), (21, 6257118), (38, 3457881), (42, 3128559), (49, 2681622), (57, 2305254), (63, 2085706), (98, 1340811), (114, 1152627), (126, 1042853), (133, 987966), (147, 893874), (171, 768418), (266, 493983), (294, 446937), (342, 384209), (399, 329322), (441, 297958), (798, 164661), (882, 148979), (931, 141138), (1197, 109774), (1862, 70569), (2394, 54887), (2793, 47046), (5586, 23523), (7841, 16758), (8379, 15682)]