856994814

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 2142687456

約数和(自身を除く): 1285692642

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 37, 39, 62, 74, 78, 93, 103, 111, 117, 186, 206, 222, 234, 279, 309, 333, 403, 481, 558, 618, 666, 806, 927, 961, 962, 1147, 1209, 1339, 1443, 1854, 1922, 2294, 2418, 2678, 2883, 2886, 3193, 3441, 3627, 3811, 4017, 4329, 5766, 6386, 6882, 7254, 7622, 8034, 8649, 8658, 9579, 10323, 11433, 12051, 12493, 14911, 17298, 19158, 20646, 22866, 24102, 24986, 28737, 29822, 34299, 35557, 37479, 41509, 44733, 49543, 57474, 68598, 71114, 74958, 83018, 89466, 98983, 99086, 106671, 112437, 118141, 124527, 134199, 148629, 197966, 213342, 224874, 236282, 249054, 268398, 296949, 297258, 320013, 354423, 373581, 445887, 462241, 593898, 640026, 708846, 747162, 890847, 891774, 924482, 1063269, 1286779, 1386723, 1535833, 1781694, 2126538, 2573558, 2773446, 3071666, 3662371, 3860337, 4160169, 4607499, 7324742, 7720674, 8320338, 9214998, 10987113, 11581011, 13822497, 21974226, 23162022, 27644994, 32961339, 47610823, 65922678, 95221646, 142832469, 285664938, 428497407, 856994814]

約数ペア:

[(1, 856994814), (2, 428497407), (3, 285664938), (6, 142832469), (9, 95221646), (13, 65922678), (18, 47610823), (26, 32961339), (31, 27644994), (37, 23162022), (39, 21974226), (62, 13822497), (74, 11581011), (78, 10987113), (93, 9214998), (103, 8320338), (111, 7720674), (117, 7324742), (186, 4607499), (206, 4160169), (222, 3860337), (234, 3662371), (279, 3071666), (309, 2773446), (333, 2573558), (403, 2126538), (481, 1781694), (558, 1535833), (618, 1386723), (666, 1286779), (806, 1063269), (927, 924482), (961, 891774), (962, 890847), (1147, 747162), (1209, 708846), (1339, 640026), (1443, 593898), (1854, 462241), (1922, 445887), (2294, 373581), (2418, 354423), (2678, 320013), (2883, 297258), (2886, 296949), (3193, 268398), (3441, 249054), (3627, 236282), (3811, 224874), (4017, 213342), (4329, 197966), (5766, 148629), (6386, 134199), (6882, 124527), (7254, 118141), (7622, 112437), (8034, 106671), (8649, 99086), (8658, 98983), (9579, 89466), (10323, 83018), (11433, 74958), (12051, 71114), (12493, 68598), (14911, 57474), (17298, 49543), (19158, 44733), (20646, 41509), (22866, 37479), (24102, 35557), (24986, 34299), (28737, 29822)]