28385388

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{7369}}^1$

素因数の和:7486

約数の個数: 36

約数和(自身を含む): 72432360

約数和(自身を除く): 44046972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 7369, 14738, 22107, 29476, 44214, 66321, 88428, 132642, 265284, 788483, 1576966, 2365449, 3153932, 4730898, 7096347, 9461796, 14192694, 28385388]

約数ペア:

[(1, 28385388), (2, 14192694), (3, 9461796), (4, 7096347), (6, 4730898), (9, 3153932), (12, 2365449), (18, 1576966), (36, 788483), (107, 265284), (214, 132642), (321, 88428), (428, 66321), (642, 44214), (963, 29476), (1284, 22107), (1926, 14738), (3852, 7369)]