28403921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{683}}^1$

素因数の和:1160

約数の個数: 16

約数和(自身を含む): 35086464

約数和(自身を除く): 6682543

約数列:

[1, 7, 13, 91, 457, 683, 3199, 4781, 5941, 8879, 41587, 62153, 312131, 2184917, 4057703, 28403921]

約数ペア:

[(1, 28403921), (7, 4057703), (13, 2184917), (91, 312131), (457, 62153), (683, 41587), (3199, 8879), (4781, 5941)]