209224708

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1831}}^1$

素因数の和:1913

約数の個数: 72

約数和(自身を含む): 473667264

約数和(自身を除く): 264442556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 53, 77, 98, 106, 154, 196, 212, 308, 371, 539, 583, 742, 1078, 1166, 1484, 1831, 2156, 2332, 2597, 3662, 4081, 5194, 7324, 8162, 10388, 12817, 16324, 20141, 25634, 28567, 40282, 51268, 57134, 80564, 89719, 97043, 114268, 140987, 179438, 194086, 281974, 358876, 388172, 563948, 679301, 986909, 1067473, 1358602, 1973818, 2134946, 2717204, 3947636, 4269892, 4755107, 7472311, 9510214, 14944622, 19020428, 29889244, 52306177, 104612354, 209224708]

約数ペア:

[(1, 209224708), (2, 104612354), (4, 52306177), (7, 29889244), (11, 19020428), (14, 14944622), (22, 9510214), (28, 7472311), (44, 4755107), (49, 4269892), (53, 3947636), (77, 2717204), (98, 2134946), (106, 1973818), (154, 1358602), (196, 1067473), (212, 986909), (308, 679301), (371, 563948), (539, 388172), (583, 358876), (742, 281974), (1078, 194086), (1166, 179438), (1484, 140987), (1831, 114268), (2156, 97043), (2332, 89719), (2597, 80564), (3662, 57134), (4081, 51268), (5194, 40282), (7324, 28567), (8162, 25634), (10388, 20141), (12817, 16324)]