31406854

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 51438240

約数和(自身を除く): 20031386

約数列:

[1, 2, 17, 34, 89, 97, 107, 178, 194, 214, 1513, 1649, 1819, 3026, 3298, 3638, 8633, 9523, 10379, 17266, 19046, 20758, 146761, 161891, 176443, 293522, 323782, 352886, 923731, 1847462, 15703427, 31406854]

約数ペア:

[(1, 31406854), (2, 15703427), (17, 1847462), (34, 923731), (89, 352886), (97, 323782), (107, 293522), (178, 176443), (194, 161891), (214, 146761), (1513, 20758), (1649, 19046), (1819, 17266), (3026, 10379), (3298, 9523), (3638, 8633)]