66815344

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{9689}}^1$

素因数の和:10128

約数の個数: 20

約数和(自身を含む): 129768480

約数和(自身を除く): 62953136

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3448, 6896, 9689, 19378, 38756, 77512, 155024, 4175959, 8351918, 16703836, 33407672, 66815344]

約数ペア:

[(1, 66815344), (2, 33407672), (4, 16703836), (8, 8351918), (16, 4175959), (431, 155024), (862, 77512), (1724, 38756), (3448, 19378), (6896, 9689)]