49697375

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 81139968

約数和(自身を除く): 31442593

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 125, 175, 221, 257, 325, 425, 455, 595, 875, 1105, 1285, 1547, 1625, 1799, 2125, 2275, 2975, 3341, 4369, 5525, 6425, 7735, 8995, 11375, 14875, 16705, 21845, 23387, 27625, 30583, 32125, 38675, 44975, 56797, 83525, 109225, 116935, 152915, 193375, 224875, 283985, 397579, 417625, 546125, 584675, 764575, 1419925, 1987895, 2923375, 3822875, 7099625, 9939475, 49697375]

約数ペア:

[(1, 49697375), (5, 9939475), (7, 7099625), (13, 3822875), (17, 2923375), (25, 1987895), (35, 1419925), (65, 764575), (85, 584675), (91, 546125), (119, 417625), (125, 397579), (175, 283985), (221, 224875), (257, 193375), (325, 152915), (425, 116935), (455, 109225), (595, 83525), (875, 56797), (1105, 44975), (1285, 38675), (1547, 32125), (1625, 30583), (1799, 27625), (2125, 23387), (2275, 21845), (2975, 16705), (3341, 14875), (4369, 11375), (5525, 8995), (6425, 7735)]