26838591

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 40427520

約数和(自身を除く): 13588929

約数列:

[1, 3, 13, 31, 39, 79, 93, 237, 281, 403, 843, 1027, 1209, 2449, 3081, 3653, 7347, 8711, 10959, 22199, 26133, 31837, 66597, 95511, 113243, 288587, 339729, 688169, 865761, 2064507, 8946197, 26838591]

約数ペア:

[(1, 26838591), (3, 8946197), (13, 2064507), (31, 865761), (39, 688169), (79, 339729), (93, 288587), (237, 113243), (281, 95511), (403, 66597), (843, 31837), (1027, 26133), (1209, 22199), (2449, 10959), (3081, 8711), (3653, 7347)]