28380506

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{3761}}^1$

素因数の和:3795

約数の個数: 32

約数和(自身を含む): 54172800

約数和(自身を除く): 25792294

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 343, 539, 686, 1078, 3761, 3773, 7522, 7546, 26327, 41371, 52654, 82742, 184289, 289597, 368578, 579194, 1290023, 2027179, 2580046, 4054358, 14190253, 28380506]

約数ペア:

[(1, 28380506), (2, 14190253), (7, 4054358), (11, 2580046), (14, 2027179), (22, 1290023), (49, 579194), (77, 368578), (98, 289597), (154, 184289), (343, 82742), (539, 52654), (686, 41371), (1078, 26327), (3761, 7546), (3773, 7522)]