20161490811

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 36094318848

約数和(自身を除く): 15932828037

約数列:

[1, 3, 7, 11, 21, 23, 33, 53, 69, 77, 121, 159, 161, 231, 253, 283, 363, 371, 483, 529, 583, 759, 847, 849, 1113, 1219, 1587, 1749, 1771, 1981, 2541, 2783, 3113, 3657, 3703, 4081, 5313, 5819, 5943, 6413, 6509, 8349, 8533, 9339, 11109, 12243, 13409, 14999, 17457, 19239, 19481, 19527, 21791, 25599, 28037, 34243, 40227, 40733, 44891, 44997, 45563, 58443, 64009, 65373, 71599, 84111, 93863, 102729, 104993, 122199, 134673, 136689, 147499, 149707, 164989, 192027, 196259, 214797, 239701, 281589, 308407, 314979, 344977, 442497, 448063, 449121, 494967, 501193, 588777, 719103, 787589, 925221, 1032493, 1034931, 1047949, 1154923, 1344189, 1503579, 1646777, 1814879, 2158849, 2362767, 2414839, 3097479, 3143847, 3392477, 3464769, 3794747, 4940331, 5444637, 5513123, 6476547, 7244517, 7934471, 10177431, 11384241, 11527439, 12704153, 16539369, 18114547, 23747339, 23803413, 26563229, 34582317, 38112459, 41742217, 54343641, 55541297, 71242017, 79689687, 87279181, 125226651, 126801829, 166623891, 261837543, 292195519, 380405487, 610954267, 876586557, 960070991, 1832862801, 2880212973, 6720496937, 20161490811]

約数ペア:

[(1, 20161490811), (3, 6720496937), (7, 2880212973), (11, 1832862801), (21, 960070991), (23, 876586557), (33, 610954267), (53, 380405487), (69, 292195519), (77, 261837543), (121, 166623891), (159, 126801829), (161, 125226651), (231, 87279181), (253, 79689687), (283, 71242017), (363, 55541297), (371, 54343641), (483, 41742217), (529, 38112459), (583, 34582317), (759, 26563229), (847, 23803413), (849, 23747339), (1113, 18114547), (1219, 16539369), (1587, 12704153), (1749, 11527439), (1771, 11384241), (1981, 10177431), (2541, 7934471), (2783, 7244517), (3113, 6476547), (3657, 5513123), (3703, 5444637), (4081, 4940331), (5313, 3794747), (5819, 3464769), (5943, 3392477), (6413, 3143847), (6509, 3097479), (8349, 2414839), (8533, 2362767), (9339, 2158849), (11109, 1814879), (12243, 1646777), (13409, 1503579), (14999, 1344189), (17457, 1154923), (19239, 1047949), (19481, 1034931), (19527, 1032493), (21791, 925221), (25599, 787589), (28037, 719103), (34243, 588777), (40227, 501193), (40733, 494967), (44891, 449121), (44997, 448063), (45563, 442497), (58443, 344977), (64009, 314979), (65373, 308407), (71599, 281589), (84111, 239701), (93863, 214797), (102729, 196259), (104993, 192027), (122199, 164989), (134673, 149707), (136689, 147499)]