212690556

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 144

約数和(自身を含む): 613240320

約数和(自身を除く): 400549764

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 43, 52, 54, 78, 86, 108, 117, 129, 156, 169, 172, 234, 258, 271, 338, 351, 387, 468, 507, 516, 542, 559, 676, 702, 774, 813, 1014, 1084, 1118, 1161, 1404, 1521, 1548, 1626, 1677, 2028, 2236, 2322, 2439, 3042, 3252, 3354, 3523, 4563, 4644, 4878, 5031, 6084, 6708, 7046, 7267, 7317, 9126, 9756, 10062, 10569, 11653, 14092, 14534, 14634, 15093, 18252, 20124, 21138, 21801, 23306, 29068, 29268, 30186, 31707, 34959, 42276, 43602, 45799, 46612, 60372, 63414, 65403, 69918, 87204, 91598, 95121, 104877, 126828, 130806, 137397, 139836, 151489, 183196, 190242, 196209, 209754, 261612, 274794, 302978, 314631, 380484, 392418, 412191, 419508, 454467, 549588, 605956, 629262, 784836, 824382, 908934, 1236573, 1258524, 1363401, 1648764, 1817868, 1969357, 2473146, 2726802, 3938714, 4090203, 4946292, 5453604, 5908071, 7877428, 8180406, 11816142, 16360812, 17724213, 23632284, 35448426, 53172639, 70896852, 106345278, 212690556]

約数ペア:

[(1, 212690556), (2, 106345278), (3, 70896852), (4, 53172639), (6, 35448426), (9, 23632284), (12, 17724213), (13, 16360812), (18, 11816142), (26, 8180406), (27, 7877428), (36, 5908071), (39, 5453604), (43, 4946292), (52, 4090203), (54, 3938714), (78, 2726802), (86, 2473146), (108, 1969357), (117, 1817868), (129, 1648764), (156, 1363401), (169, 1258524), (172, 1236573), (234, 908934), (258, 824382), (271, 784836), (338, 629262), (351, 605956), (387, 549588), (468, 454467), (507, 419508), (516, 412191), (542, 392418), (559, 380484), (676, 314631), (702, 302978), (774, 274794), (813, 261612), (1014, 209754), (1084, 196209), (1118, 190242), (1161, 183196), (1404, 151489), (1521, 139836), (1548, 137397), (1626, 130806), (1677, 126828), (2028, 104877), (2236, 95121), (2322, 91598), (2439, 87204), (3042, 69918), (3252, 65403), (3354, 63414), (3523, 60372), (4563, 46612), (4644, 45799), (4878, 43602), (5031, 42276), (6084, 34959), (6708, 31707), (7046, 30186), (7267, 29268), (7317, 29068), (9126, 23306), (9756, 21801), (10062, 21138), (10569, 20124), (11653, 18252), (14092, 15093), (14534, 14634)]