28911883

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1699}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 12214517

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 1699, 2431, 11893, 17017, 18689, 22087, 28883, 130823, 154609, 202181, 242957, 317713, 375479, 1700699, 2223991, 2628353, 4130269, 28911883]

約数ペア:

[(1, 28911883), (7, 4130269), (11, 2628353), (13, 2223991), (17, 1700699), (77, 375479), (91, 317713), (119, 242957), (143, 202181), (187, 154609), (221, 130823), (1001, 28883), (1309, 22087), (1547, 18689), (1699, 17017), (2431, 11893)]