208209204

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 634023936

約数和(自身を除く): 425814732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 71, 81, 84, 108, 126, 142, 162, 189, 213, 243, 252, 284, 324, 378, 426, 431, 486, 497, 567, 639, 756, 852, 862, 972, 994, 1134, 1278, 1293, 1491, 1701, 1724, 1917, 1988, 2268, 2556, 2586, 2982, 3017, 3402, 3834, 3879, 4473, 5172, 5751, 5964, 6034, 6804, 7668, 7758, 8946, 9051, 11502, 11637, 12068, 13419, 15516, 17253, 17892, 18102, 23004, 23274, 26838, 27153, 30601, 34506, 34911, 36204, 40257, 46548, 53676, 54306, 61202, 69012, 69822, 80514, 81459, 91803, 104733, 108612, 120771, 122404, 139644, 161028, 162918, 183606, 209466, 214207, 241542, 244377, 275409, 325836, 367212, 418932, 428414, 483084, 488754, 550818, 642621, 733131, 826227, 856828, 977508, 1101636, 1285242, 1466262, 1652454, 1927863, 2478681, 2570484, 2932524, 3304908, 3855726, 4957362, 5783589, 7436043, 7711452, 9914724, 11567178, 14872086, 17350767, 23134356, 29744172, 34701534, 52052301, 69403068, 104104602, 208209204]

約数ペア:

[(1, 208209204), (2, 104104602), (3, 69403068), (4, 52052301), (6, 34701534), (7, 29744172), (9, 23134356), (12, 17350767), (14, 14872086), (18, 11567178), (21, 9914724), (27, 7711452), (28, 7436043), (36, 5783589), (42, 4957362), (54, 3855726), (63, 3304908), (71, 2932524), (81, 2570484), (84, 2478681), (108, 1927863), (126, 1652454), (142, 1466262), (162, 1285242), (189, 1101636), (213, 977508), (243, 856828), (252, 826227), (284, 733131), (324, 642621), (378, 550818), (426, 488754), (431, 483084), (486, 428414), (497, 418932), (567, 367212), (639, 325836), (756, 275409), (852, 244377), (862, 241542), (972, 214207), (994, 209466), (1134, 183606), (1278, 162918), (1293, 161028), (1491, 139644), (1701, 122404), (1724, 120771), (1917, 108612), (1988, 104733), (2268, 91803), (2556, 81459), (2586, 80514), (2982, 69822), (3017, 69012), (3402, 61202), (3834, 54306), (3879, 53676), (4473, 46548), (5172, 40257), (5751, 36204), (5964, 34911), (6034, 34506), (6804, 30601), (7668, 27153), (7758, 26838), (8946, 23274), (9051, 23004), (11502, 18102), (11637, 17892), (12068, 17253), (13419, 15516)]