215687916

素因数分解:

$2^2\times 3^2\times {\mathrm{431}}^1\times {\mathrm{13901}}^1$

素因数の和:14342

約数の個数: 36

約数和(自身を含む): 546515424

約数和(自身を除く): 330827508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 431, 862, 1293, 1724, 2586, 3879, 5172, 7758, 13901, 15516, 27802, 41703, 55604, 83406, 125109, 166812, 250218, 500436, 5991331, 11982662, 17973993, 23965324, 35947986, 53921979, 71895972, 107843958, 215687916]

約数ペア:

[(1, 215687916), (2, 107843958), (3, 71895972), (4, 53921979), (6, 35947986), (9, 23965324), (12, 17973993), (18, 11982662), (36, 5991331), (431, 500436), (862, 250218), (1293, 166812), (1724, 125109), (2586, 83406), (3879, 55604), (5172, 41703), (7758, 27802), (13901, 15516)]