28465178

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{4091}}^1$

素因数の和:4178

約数の個数: 24

約数和(自身を含む): 50380704

約数和(自身を除く): 21915526

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 3479, 4091, 6958, 8182, 28637, 57274, 200459, 290461, 400918, 580922, 2033227, 4066454, 14232589, 28465178]

約数ペア:

[(1, 28465178), (2, 14232589), (7, 4066454), (14, 2033227), (49, 580922), (71, 400918), (98, 290461), (142, 200459), (497, 57274), (994, 28637), (3479, 8182), (4091, 6958)]