28197407

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1123}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 34313472

約数和(自身を除く): 6116065

約数列:

[1, 7, 17, 119, 211, 1123, 1477, 3587, 7861, 19091, 25109, 133637, 236953, 1658671, 4028201, 28197407]

約数ペア:

[(1, 28197407), (7, 4028201), (17, 1658671), (119, 236953), (211, 133637), (1123, 25109), (1477, 19091), (3587, 7861)]