31781216

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1489}}^1$

素因数の和:1551

約数の個数: 48

約数和(自身を含む): 67586400

約数和(自身を除く): 35805184

約数列:

[1, 2, 4, 8, 16, 23, 29, 32, 46, 58, 92, 116, 184, 232, 368, 464, 667, 736, 928, 1334, 1489, 2668, 2978, 5336, 5956, 10672, 11912, 21344, 23824, 34247, 43181, 47648, 68494, 86362, 136988, 172724, 273976, 345448, 547952, 690896, 993163, 1095904, 1381792, 1986326, 3972652, 7945304, 15890608, 31781216]

約数ペア:

[(1, 31781216), (2, 15890608), (4, 7945304), (8, 3972652), (16, 1986326), (23, 1381792), (29, 1095904), (32, 993163), (46, 690896), (58, 547952), (92, 345448), (116, 273976), (184, 172724), (232, 136988), (368, 86362), (464, 68494), (667, 47648), (736, 43181), (928, 34247), (1334, 23824), (1489, 21344), (2668, 11912), (2978, 10672), (5336, 5956)]