128954416

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{277919}}^1$

素因数の和:277956

約数の個数: 20

約数和(自身を含む): 258465600

約数和(自身を除く): 129511184

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 277919, 555838, 1111676, 2223352, 4446704, 8059651, 16119302, 32238604, 64477208, 128954416]

約数ペア:

[(1, 128954416), (2, 64477208), (4, 32238604), (8, 16119302), (16, 8059651), (29, 4446704), (58, 2223352), (116, 1111676), (232, 555838), (464, 277919)]