31339386

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:697

約数の個数: 80

約数和(自身を含む): 79035264

約数和(自身を除く): 47695878

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 81, 117, 138, 162, 207, 234, 299, 351, 414, 598, 621, 647, 702, 897, 1053, 1242, 1294, 1794, 1863, 1941, 2106, 2691, 3726, 3882, 5382, 5823, 8073, 8411, 11646, 14881, 16146, 16822, 17469, 24219, 25233, 29762, 34938, 44643, 48438, 50466, 52407, 75699, 89286, 104814, 133929, 151398, 193453, 227097, 267858, 386906, 401787, 454194, 580359, 681291, 803574, 1160718, 1205361, 1362582, 1741077, 2410722, 3482154, 5223231, 10446462, 15669693, 31339386]

約数ペア:

[(1, 31339386), (2, 15669693), (3, 10446462), (6, 5223231), (9, 3482154), (13, 2410722), (18, 1741077), (23, 1362582), (26, 1205361), (27, 1160718), (39, 803574), (46, 681291), (54, 580359), (69, 454194), (78, 401787), (81, 386906), (117, 267858), (138, 227097), (162, 193453), (207, 151398), (234, 133929), (299, 104814), (351, 89286), (414, 75699), (598, 52407), (621, 50466), (647, 48438), (702, 44643), (897, 34938), (1053, 29762), (1242, 25233), (1294, 24219), (1794, 17469), (1863, 16822), (1941, 16146), (2106, 14881), (2691, 11646), (3726, 8411), (3882, 8073), (5382, 5823)]