31158974

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 64143360

約数和(自身を除く): 32984386

約数列:

[1, 2, 7, 11, 14, 19, 22, 23, 38, 46, 77, 133, 154, 161, 209, 253, 266, 322, 418, 437, 463, 506, 874, 926, 1463, 1771, 2926, 3059, 3241, 3542, 4807, 5093, 6118, 6482, 8797, 9614, 10186, 10649, 17594, 21298, 33649, 35651, 61579, 67298, 71302, 74543, 96767, 117139, 123158, 149086, 193534, 202331, 234278, 404662, 677369, 819973, 1354738, 1416317, 1639946, 2225641, 2832634, 4451282, 15579487, 31158974]

約数ペア:

[(1, 31158974), (2, 15579487), (7, 4451282), (11, 2832634), (14, 2225641), (19, 1639946), (22, 1416317), (23, 1354738), (38, 819973), (46, 677369), (77, 404662), (133, 234278), (154, 202331), (161, 193534), (209, 149086), (253, 123158), (266, 117139), (322, 96767), (418, 74543), (437, 71302), (463, 67298), (506, 61579), (874, 35651), (926, 33649), (1463, 21298), (1771, 17594), (2926, 10649), (3059, 10186), (3241, 9614), (3542, 8797), (4807, 6482), (5093, 6118)]