28278716

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 50297520

約数和(自身を除く): 22018804

約数列:

[1, 2, 4, 139, 181, 278, 281, 362, 556, 562, 724, 1124, 25159, 39059, 50318, 50861, 78118, 100636, 101722, 156236, 203444, 7069679, 14139358, 28278716]

約数ペア:

[(1, 28278716), (2, 14139358), (4, 7069679), (139, 203444), (181, 156236), (278, 101722), (281, 100636), (362, 78118), (556, 50861), (562, 50318), (724, 39059), (1124, 25159)]