254310782

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 72

約数和(自身を含む): 459705456

約数和(自身を除く): 205394674

約数列:

[1, 2, 11, 19, 22, 38, 41, 71, 82, 121, 142, 209, 242, 361, 418, 451, 722, 779, 781, 902, 1349, 1558, 1562, 2299, 2698, 2911, 3971, 4598, 4961, 5822, 7942, 8569, 8591, 9922, 14801, 14839, 17138, 17182, 25631, 29602, 29678, 32021, 43681, 51262, 55309, 64042, 87362, 94259, 110618, 162811, 163229, 188518, 281941, 325622, 326458, 352231, 563882, 608399, 704462, 1050871, 1216798, 1790921, 2101742, 3101351, 3581842, 6202702, 6692389, 11559581, 13384778, 23119162, 127155391, 254310782]

約数ペア:

[(1, 254310782), (2, 127155391), (11, 23119162), (19, 13384778), (22, 11559581), (38, 6692389), (41, 6202702), (71, 3581842), (82, 3101351), (121, 2101742), (142, 1790921), (209, 1216798), (242, 1050871), (361, 704462), (418, 608399), (451, 563882), (722, 352231), (779, 326458), (781, 325622), (902, 281941), (1349, 188518), (1558, 163229), (1562, 162811), (2299, 110618), (2698, 94259), (2911, 87362), (3971, 64042), (4598, 55309), (4961, 51262), (5822, 43681), (7942, 32021), (8569, 29678), (8591, 29602), (9922, 25631), (14801, 17182), (14839, 17138)]