28793908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 60117120

約数和(自身を除く): 31323212

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 572, 709, 781, 923, 1418, 1562, 1846, 2836, 3124, 3692, 7799, 9217, 10153, 15598, 18434, 20306, 31196, 36868, 40612, 50339, 100678, 101387, 201356, 202774, 405548, 553729, 654407, 1107458, 1308814, 2214916, 2617628, 7198477, 14396954, 28793908]

約数ペア:

[(1, 28793908), (2, 14396954), (4, 7198477), (11, 2617628), (13, 2214916), (22, 1308814), (26, 1107458), (44, 654407), (52, 553729), (71, 405548), (142, 202774), (143, 201356), (284, 101387), (286, 100678), (572, 50339), (709, 40612), (781, 36868), (923, 31196), (1418, 20306), (1562, 18434), (1846, 15598), (2836, 10153), (3124, 9217), (3692, 7799)]