181311564

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 515725056

約数和(自身を除く): 334413492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 71, 84, 86, 98, 101, 129, 142, 147, 172, 196, 202, 213, 258, 284, 294, 301, 303, 404, 426, 497, 516, 588, 602, 606, 707, 852, 903, 994, 1204, 1212, 1414, 1491, 1806, 1988, 2107, 2121, 2828, 2982, 3053, 3479, 3612, 4214, 4242, 4343, 4949, 5964, 6106, 6321, 6958, 7171, 8428, 8484, 8686, 9159, 9898, 10437, 12212, 12642, 13029, 13916, 14342, 14847, 17372, 18318, 19796, 20874, 21371, 21513, 25284, 26058, 28684, 29694, 30401, 36636, 41748, 42742, 43026, 50197, 52116, 59388, 60802, 64113, 85484, 86052, 91203, 100394, 121604, 128226, 149597, 150591, 182406, 200788, 212807, 256452, 299194, 301182, 308353, 351379, 364812, 425614, 448791, 598388, 602364, 616706, 638421, 702758, 851228, 897582, 925059, 1054137, 1233412, 1276842, 1405516, 1795164, 1850118, 2108274, 2158471, 2553684, 3700236, 4216548, 4316942, 6475413, 8633884, 12950826, 15109297, 25901652, 30218594, 45327891, 60437188, 90655782, 181311564]

約数ペア:

[(1, 181311564), (2, 90655782), (3, 60437188), (4, 45327891), (6, 30218594), (7, 25901652), (12, 15109297), (14, 12950826), (21, 8633884), (28, 6475413), (42, 4316942), (43, 4216548), (49, 3700236), (71, 2553684), (84, 2158471), (86, 2108274), (98, 1850118), (101, 1795164), (129, 1405516), (142, 1276842), (147, 1233412), (172, 1054137), (196, 925059), (202, 897582), (213, 851228), (258, 702758), (284, 638421), (294, 616706), (301, 602364), (303, 598388), (404, 448791), (426, 425614), (497, 364812), (516, 351379), (588, 308353), (602, 301182), (606, 299194), (707, 256452), (852, 212807), (903, 200788), (994, 182406), (1204, 150591), (1212, 149597), (1414, 128226), (1491, 121604), (1806, 100394), (1988, 91203), (2107, 86052), (2121, 85484), (2828, 64113), (2982, 60802), (3053, 59388), (3479, 52116), (3612, 50197), (4214, 43026), (4242, 42742), (4343, 41748), (4949, 36636), (5964, 30401), (6106, 29694), (6321, 28684), (6958, 26058), (7171, 25284), (8428, 21513), (8484, 21371), (8686, 20874), (9159, 19796), (9898, 18318), (10437, 17372), (12212, 14847), (12642, 14342), (13029, 13916)]