31068704

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 63711648

約数和(自身を除く): 32642944

約数列:

[1, 2, 4, 8, 16, 32, 43, 67, 86, 134, 172, 268, 337, 344, 536, 674, 688, 1072, 1348, 1376, 2144, 2696, 2881, 5392, 5762, 10784, 11524, 14491, 22579, 23048, 28982, 45158, 46096, 57964, 90316, 92192, 115928, 180632, 231856, 361264, 463712, 722528, 970897, 1941794, 3883588, 7767176, 15534352, 31068704]

約数ペア:

[(1, 31068704), (2, 15534352), (4, 7767176), (8, 3883588), (16, 1941794), (32, 970897), (43, 722528), (67, 463712), (86, 361264), (134, 231856), (172, 180632), (268, 115928), (337, 92192), (344, 90316), (536, 57964), (674, 46096), (688, 45158), (1072, 28982), (1348, 23048), (1376, 22579), (2144, 14491), (2696, 11524), (2881, 10784), (5392, 5762)]