90391378

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 174633408

約数和(自身を除く): 84242030

約数列:

[1, 2, 7, 11, 14, 22, 49, 71, 77, 98, 142, 154, 497, 539, 781, 994, 1078, 1181, 1562, 2362, 3479, 5467, 6958, 8267, 10934, 12991, 16534, 25982, 38269, 57869, 76538, 83851, 90937, 115738, 167702, 181874, 586957, 636559, 922361, 1173914, 1273118, 1844722, 4108699, 6456527, 8217398, 12913054, 45195689, 90391378]

約数ペア:

[(1, 90391378), (2, 45195689), (7, 12913054), (11, 8217398), (14, 6456527), (22, 4108699), (49, 1844722), (71, 1273118), (77, 1173914), (98, 922361), (142, 636559), (154, 586957), (497, 181874), (539, 167702), (781, 115738), (994, 90937), (1078, 83851), (1181, 76538), (1562, 57869), (2362, 38269), (3479, 25982), (5467, 16534), (6958, 12991), (8267, 10934)]