31389204

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 97445376

約数和(自身を除く): 66056172

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 33, 42, 44, 46, 49, 66, 69, 77, 84, 92, 98, 132, 138, 147, 154, 161, 196, 211, 231, 253, 276, 294, 308, 322, 422, 462, 483, 506, 539, 588, 633, 644, 759, 844, 924, 966, 1012, 1078, 1127, 1266, 1477, 1518, 1617, 1771, 1932, 2156, 2254, 2321, 2532, 2954, 3036, 3234, 3381, 3542, 4431, 4508, 4642, 4853, 5313, 5908, 6468, 6762, 6963, 7084, 8862, 9284, 9706, 10339, 10626, 12397, 13524, 13926, 14559, 16247, 17724, 19412, 20678, 21252, 24794, 27852, 29118, 31017, 32494, 33971, 37191, 41356, 48741, 49588, 53383, 58236, 62034, 64988, 67942, 74382, 97482, 101913, 106766, 113729, 124068, 135884, 148764, 160149, 194964, 203826, 213532, 227458, 237797, 320298, 341187, 373681, 407652, 454916, 475594, 640596, 682374, 713391, 747362, 951188, 1121043, 1364748, 1426782, 1494724, 2242086, 2615767, 2853564, 4484172, 5231534, 7847301, 10463068, 15694602, 31389204]

約数ペア:

[(1, 31389204), (2, 15694602), (3, 10463068), (4, 7847301), (6, 5231534), (7, 4484172), (11, 2853564), (12, 2615767), (14, 2242086), (21, 1494724), (22, 1426782), (23, 1364748), (28, 1121043), (33, 951188), (42, 747362), (44, 713391), (46, 682374), (49, 640596), (66, 475594), (69, 454916), (77, 407652), (84, 373681), (92, 341187), (98, 320298), (132, 237797), (138, 227458), (147, 213532), (154, 203826), (161, 194964), (196, 160149), (211, 148764), (231, 135884), (253, 124068), (276, 113729), (294, 106766), (308, 101913), (322, 97482), (422, 74382), (462, 67942), (483, 64988), (506, 62034), (539, 58236), (588, 53383), (633, 49588), (644, 48741), (759, 41356), (844, 37191), (924, 33971), (966, 32494), (1012, 31017), (1078, 29118), (1127, 27852), (1266, 24794), (1477, 21252), (1518, 20678), (1617, 19412), (1771, 17724), (1932, 16247), (2156, 14559), (2254, 13926), (2321, 13524), (2532, 12397), (2954, 10626), (3036, 10339), (3234, 9706), (3381, 9284), (3542, 8862), (4431, 7084), (4508, 6963), (4642, 6762), (4853, 6468), (5313, 5908)]