28171946

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 49014720

約数和(自身を除く): 20842774

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 557, 1114, 1331, 2299, 2662, 4598, 6127, 10583, 12254, 21166, 25289, 50578, 67397, 116413, 134794, 232826, 741367, 1280543, 1482734, 2561086, 14085973, 28171946]

約数ペア:

[(1, 28171946), (2, 14085973), (11, 2561086), (19, 1482734), (22, 1280543), (38, 741367), (121, 232826), (209, 134794), (242, 116413), (418, 67397), (557, 50578), (1114, 25289), (1331, 21166), (2299, 12254), (2662, 10583), (4598, 6127)]