72811312

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 169449472

約数和(自身を除く): 96638160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 67, 112, 124, 134, 217, 248, 268, 313, 434, 469, 496, 536, 626, 868, 938, 1072, 1252, 1736, 1876, 2077, 2191, 2504, 3472, 3752, 4154, 4382, 5008, 7504, 8308, 8764, 9703, 14539, 16616, 17528, 19406, 20971, 29078, 33232, 35056, 38812, 41942, 58156, 67921, 77624, 83884, 116312, 135842, 146797, 155248, 167768, 232624, 271684, 293594, 335536, 543368, 587188, 650101, 1086736, 1174376, 1300202, 2348752, 2600404, 4550707, 5200808, 9101414, 10401616, 18202828, 36405656, 72811312]

約数ペア:

[(1, 72811312), (2, 36405656), (4, 18202828), (7, 10401616), (8, 9101414), (14, 5200808), (16, 4550707), (28, 2600404), (31, 2348752), (56, 1300202), (62, 1174376), (67, 1086736), (112, 650101), (124, 587188), (134, 543368), (217, 335536), (248, 293594), (268, 271684), (313, 232624), (434, 167768), (469, 155248), (496, 146797), (536, 135842), (626, 116312), (868, 83884), (938, 77624), (1072, 67921), (1252, 58156), (1736, 41942), (1876, 38812), (2077, 35056), (2191, 33232), (2504, 29078), (3472, 20971), (3752, 19406), (4154, 17528), (4382, 16616), (5008, 14539), (7504, 9703), (8308, 8764)]