31231616

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{137}}^2$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 67497990

約数和(自身を除く): 36266374

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 137, 208, 274, 416, 548, 832, 1096, 1664, 1781, 2192, 3562, 4384, 7124, 8768, 14248, 17536, 18769, 28496, 37538, 56992, 75076, 113984, 150152, 227968, 243997, 300304, 487994, 600608, 975988, 1201216, 1951976, 2402432, 3903952, 7807904, 15615808, 31231616]

約数ペア:

[(1, 31231616), (2, 15615808), (4, 7807904), (8, 3903952), (13, 2402432), (16, 1951976), (26, 1201216), (32, 975988), (52, 600608), (64, 487994), (104, 300304), (128, 243997), (137, 227968), (208, 150152), (274, 113984), (416, 75076), (548, 56992), (832, 37538), (1096, 28496), (1664, 18769), (1781, 17536), (2192, 14248), (3562, 8768), (4384, 7124)]