66684688

素因数分解:

$2^4\times 7^3\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:477

約数の個数: 80

約数和(自身を含む): 156240000

約数和(自身を除く): 89555312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 196, 203, 232, 343, 392, 406, 419, 464, 686, 784, 812, 838, 1372, 1421, 1624, 1676, 2744, 2842, 2933, 3248, 3352, 5488, 5684, 5866, 6704, 9947, 11368, 11732, 12151, 19894, 20531, 22736, 23464, 24302, 39788, 41062, 46928, 48604, 79576, 82124, 85057, 97208, 143717, 159152, 164248, 170114, 194416, 287434, 328496, 340228, 574868, 595399, 680456, 1149736, 1190798, 1360912, 2299472, 2381596, 4167793, 4763192, 8335586, 9526384, 16671172, 33342344, 66684688]

約数ペア:

[(1, 66684688), (2, 33342344), (4, 16671172), (7, 9526384), (8, 8335586), (14, 4763192), (16, 4167793), (28, 2381596), (29, 2299472), (49, 1360912), (56, 1190798), (58, 1149736), (98, 680456), (112, 595399), (116, 574868), (196, 340228), (203, 328496), (232, 287434), (343, 194416), (392, 170114), (406, 164248), (419, 159152), (464, 143717), (686, 97208), (784, 85057), (812, 82124), (838, 79576), (1372, 48604), (1421, 46928), (1624, 41062), (1676, 39788), (2744, 24302), (2842, 23464), (2933, 22736), (3248, 20531), (3352, 19894), (5488, 12151), (5684, 11732), (5866, 11368), (6704, 9947)]