1388774728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{1487}}^1\times {\mathrm{10613}}^1$

素因数の和:12117

約数の個数: 32

約数和(自身を含む): 2842853760

約数和(自身を除く): 1454079032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 1487, 2974, 5948, 10613, 11896, 16357, 21226, 32714, 42452, 65428, 84904, 116743, 130856, 233486, 466972, 933944, 15781531, 31563062, 63126124, 126252248, 173596841, 347193682, 694387364, 1388774728]

約数ペア:

[(1, 1388774728), (2, 694387364), (4, 347193682), (8, 173596841), (11, 126252248), (22, 63126124), (44, 31563062), (88, 15781531), (1487, 933944), (2974, 466972), (5948, 233486), (10613, 130856), (11896, 116743), (16357, 84904), (21226, 65428), (32714, 42452)]