1261892752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:944

約数の個数: 80

約数和(自身を含む): 2659204800

約数和(自身を除く): 1397312048

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 137, 152, 164, 274, 304, 328, 548, 656, 739, 779, 1096, 1478, 1558, 2192, 2603, 2956, 3116, 5206, 5617, 5912, 6232, 10412, 11234, 11824, 12464, 14041, 20824, 22468, 28082, 30299, 41648, 44936, 56164, 60598, 89872, 101243, 106723, 112328, 121196, 202486, 213446, 224656, 242392, 404972, 426892, 484784, 575681, 809944, 853784, 1151362, 1619888, 1707568, 1923617, 2302724, 3847234, 4150963, 4605448, 7694468, 8301926, 9210896, 15388936, 16603852, 30777872, 33207704, 66415408, 78868297, 157736594, 315473188, 630946376, 1261892752]

約数ペア:

[(1, 1261892752), (2, 630946376), (4, 315473188), (8, 157736594), (16, 78868297), (19, 66415408), (38, 33207704), (41, 30777872), (76, 16603852), (82, 15388936), (137, 9210896), (152, 8301926), (164, 7694468), (274, 4605448), (304, 4150963), (328, 3847234), (548, 2302724), (656, 1923617), (739, 1707568), (779, 1619888), (1096, 1151362), (1478, 853784), (1558, 809944), (2192, 575681), (2603, 484784), (2956, 426892), (3116, 404972), (5206, 242392), (5617, 224656), (5912, 213446), (6232, 202486), (10412, 121196), (11234, 112328), (11824, 106723), (12464, 101243), (14041, 89872), (20824, 60598), (22468, 56164), (28082, 44936), (30299, 41648)]