1221552688

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1862123}}^1$

素因数の和:1862172

約数の個数: 20

約数和(自身を含む): 2424485448

約数和(自身を除く): 1202932760

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1862123, 3724246, 7448492, 14896984, 29793968, 76347043, 152694086, 305388172, 610776344, 1221552688]

約数ペア:

[(1, 1221552688), (2, 610776344), (4, 305388172), (8, 152694086), (16, 76347043), (41, 29793968), (82, 14896984), (164, 7448492), (328, 3724246), (656, 1862123)]