31811244

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 81049920

約数和(自身を除く): 49238676

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 83, 114, 123, 164, 166, 228, 246, 249, 332, 492, 498, 779, 996, 1558, 1577, 1681, 2337, 3116, 3154, 3362, 3403, 4674, 4731, 5043, 6308, 6724, 6806, 9348, 9462, 10086, 10209, 13612, 18924, 20172, 20418, 31939, 40836, 63878, 64657, 95817, 127756, 129314, 139523, 191634, 193971, 258628, 279046, 383268, 387942, 418569, 558092, 775884, 837138, 1674276, 2650937, 5301874, 7952811, 10603748, 15905622, 31811244]

約数ペア:

[(1, 31811244), (2, 15905622), (3, 10603748), (4, 7952811), (6, 5301874), (12, 2650937), (19, 1674276), (38, 837138), (41, 775884), (57, 558092), (76, 418569), (82, 387942), (83, 383268), (114, 279046), (123, 258628), (164, 193971), (166, 191634), (228, 139523), (246, 129314), (249, 127756), (332, 95817), (492, 64657), (498, 63878), (779, 40836), (996, 31939), (1558, 20418), (1577, 20172), (1681, 18924), (2337, 13612), (3116, 10209), (3154, 10086), (3362, 9462), (3403, 9348), (4674, 6806), (4731, 6724), (5043, 6308)]