31919778

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 85536000

約数和(自身を除く): 53616222

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 29, 33, 34, 51, 54, 58, 66, 87, 99, 102, 109, 153, 174, 187, 198, 218, 261, 297, 306, 319, 327, 374, 459, 493, 522, 561, 594, 638, 654, 783, 918, 957, 981, 986, 1122, 1199, 1479, 1566, 1683, 1853, 1914, 1962, 2398, 2871, 2943, 2958, 3161, 3366, 3597, 3706, 4437, 5049, 5423, 5559, 5742, 5886, 6322, 7194, 8613, 8874, 9483, 10098, 10791, 10846, 11118, 13311, 16269, 16677, 17226, 18966, 20383, 21582, 26622, 28449, 32373, 32538, 33354, 34771, 40766, 48807, 50031, 53737, 56898, 61149, 64746, 69542, 85347, 97614, 100062, 104313, 107474, 122298, 146421, 161211, 170694, 183447, 208626, 292842, 312939, 322422, 366894, 483633, 550341, 591107, 625878, 938817, 967266, 1100682, 1182214, 1450899, 1773321, 1877634, 2901798, 3546642, 5319963, 10639926, 15959889, 31919778]

約数ペア:

[(1, 31919778), (2, 15959889), (3, 10639926), (6, 5319963), (9, 3546642), (11, 2901798), (17, 1877634), (18, 1773321), (22, 1450899), (27, 1182214), (29, 1100682), (33, 967266), (34, 938817), (51, 625878), (54, 591107), (58, 550341), (66, 483633), (87, 366894), (99, 322422), (102, 312939), (109, 292842), (153, 208626), (174, 183447), (187, 170694), (198, 161211), (218, 146421), (261, 122298), (297, 107474), (306, 104313), (319, 100062), (327, 97614), (374, 85347), (459, 69542), (493, 64746), (522, 61149), (561, 56898), (594, 53737), (638, 50031), (654, 48807), (783, 40766), (918, 34771), (957, 33354), (981, 32538), (986, 32373), (1122, 28449), (1199, 26622), (1479, 21582), (1566, 20383), (1683, 18966), (1853, 17226), (1914, 16677), (1962, 16269), (2398, 13311), (2871, 11118), (2943, 10846), (2958, 10791), (3161, 10098), (3366, 9483), (3597, 8874), (3706, 8613), (4437, 7194), (5049, 6322), (5423, 5886), (5559, 5742)]