281978983

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{601}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 353166912

約数和(自身を除く): 71187929

約数列:

[1, 11, 13, 17, 143, 187, 193, 221, 601, 2123, 2431, 2509, 3281, 6611, 7813, 10217, 27599, 36091, 42653, 85943, 112387, 115993, 132821, 469183, 1275923, 1461031, 1507909, 1971881, 16586999, 21690691, 25634453, 281978983]

約数ペア:

[(1, 281978983), (11, 25634453), (13, 21690691), (17, 16586999), (143, 1971881), (187, 1507909), (193, 1461031), (221, 1275923), (601, 469183), (2123, 132821), (2431, 115993), (2509, 112387), (3281, 85943), (6611, 42653), (7813, 36091), (10217, 27599)]