31881232

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 63835200

約数和(自身を除く): 31953968

約数列:

[1, 2, 4, 8, 16, 43, 86, 149, 172, 298, 311, 344, 596, 622, 688, 1192, 1244, 2384, 2488, 4976, 6407, 12814, 13373, 25628, 26746, 46339, 51256, 53492, 92678, 102512, 106984, 185356, 213968, 370712, 741424, 1992577, 3985154, 7970308, 15940616, 31881232]

約数ペア:

[(1, 31881232), (2, 15940616), (4, 7970308), (8, 3985154), (16, 1992577), (43, 741424), (86, 370712), (149, 213968), (172, 185356), (298, 106984), (311, 102512), (344, 92678), (596, 53492), (622, 51256), (688, 46339), (1192, 26746), (1244, 25628), (2384, 13373), (2488, 12814), (4976, 6407)]