31666426

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 24640454

約数列:

[1, 2, 11, 19, 22, 38, 71, 97, 121, 142, 194, 209, 242, 418, 781, 1067, 1349, 1562, 1843, 2134, 2299, 2698, 3686, 4598, 6887, 8591, 11737, 13774, 14839, 17182, 20273, 23474, 29678, 40546, 75757, 130853, 151514, 163229, 223003, 261706, 326458, 446006, 833327, 1439383, 1666654, 2878766, 15833213, 31666426]

約数ペア:

[(1, 31666426), (2, 15833213), (11, 2878766), (19, 1666654), (22, 1439383), (38, 833327), (71, 446006), (97, 326458), (121, 261706), (142, 223003), (194, 163229), (209, 151514), (242, 130853), (418, 75757), (781, 40546), (1067, 29678), (1349, 23474), (1562, 20273), (1843, 17182), (2134, 14839), (2299, 13774), (2698, 11737), (3686, 8591), (4598, 6887)]