213795428

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1871}}^1$

素因数の和:1953

約数の個数: 72

約数和(自身を含む): 484009344

約数和(自身を除く): 270213916

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, 1871, 2156, 2332, 2597, 3742, 4081, 5194, 7484, 8162, 10388, 13097, 16324, 20581, 26194, 28567, 41162, 52388, 57134, 82324, 91679, 99163, 114268, 144067, 183358, 198326, 288134, 366716, 396652, 576268, 694141, 1008469, 1090793, 1388282, 2016938, 2181586, 2776564, 4033876, 4363172, 4858987, 7635551, 9717974, 15271102, 19435948, 30542204, 53448857, 106897714, 213795428]

約数ペア:

[(1, 213795428), (2, 106897714), (4, 53448857), (7, 30542204), (11, 19435948), (14, 15271102), (22, 9717974), (28, 7635551), (44, 4858987), (49, 4363172), (53, 4033876), (77, 2776564), (98, 2181586), (106, 2016938), (154, 1388282), (196, 1090793), (212, 1008469), (308, 694141), (371, 576268), (539, 396652), (583, 366716), (742, 288134), (1078, 198326), (1166, 183358), (1484, 144067), (1871, 114268), (2156, 99163), (2332, 91679), (2597, 82324), (3742, 57134), (4081, 52388), (5194, 41162), (7484, 28567), (8162, 26194), (10388, 20581), (13097, 16324)]