213438888

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^2\times {\mathrm{1949}}^1$

素因数の和:1993

約数の個数: 120

約数和(自身を含む): 647682750

約数和(自身を除く): 434243862

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 169, 216, 234, 312, 324, 338, 351, 468, 507, 648, 676, 702, 936, 1014, 1053, 1352, 1404, 1521, 1949, 2028, 2106, 2808, 3042, 3898, 4056, 4212, 4563, 5847, 6084, 7796, 8424, 9126, 11694, 12168, 13689, 15592, 17541, 18252, 23388, 25337, 27378, 35082, 36504, 46776, 50674, 52623, 54756, 70164, 76011, 101348, 105246, 109512, 140328, 152022, 157869, 202696, 210492, 228033, 304044, 315738, 329381, 420984, 456066, 608088, 631476, 658762, 684099, 912132, 988143, 1262952, 1317524, 1368198, 1824264, 1976286, 2052297, 2635048, 2736396, 2964429, 3952572, 4104594, 5472792, 5928858, 7905144, 8209188, 8893287, 11857716, 16418376, 17786574, 23715432, 26679861, 35573148, 53359722, 71146296, 106719444, 213438888]

約数ペア:

[(1, 213438888), (2, 106719444), (3, 71146296), (4, 53359722), (6, 35573148), (8, 26679861), (9, 23715432), (12, 17786574), (13, 16418376), (18, 11857716), (24, 8893287), (26, 8209188), (27, 7905144), (36, 5928858), (39, 5472792), (52, 4104594), (54, 3952572), (72, 2964429), (78, 2736396), (81, 2635048), (104, 2052297), (108, 1976286), (117, 1824264), (156, 1368198), (162, 1317524), (169, 1262952), (216, 988143), (234, 912132), (312, 684099), (324, 658762), (338, 631476), (351, 608088), (468, 456066), (507, 420984), (648, 329381), (676, 315738), (702, 304044), (936, 228033), (1014, 210492), (1053, 202696), (1352, 157869), (1404, 152022), (1521, 140328), (1949, 109512), (2028, 105246), (2106, 101348), (2808, 76011), (3042, 70164), (3898, 54756), (4056, 52623), (4212, 50674), (4563, 46776), (5847, 36504), (6084, 35082), (7796, 27378), (8424, 25337), (9126, 23388), (11694, 18252), (12168, 17541), (13689, 15592)]