31475675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 49496832

約数和(自身を除く): 18021157

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 83, 175, 197, 275, 385, 415, 581, 913, 985, 1379, 1925, 2075, 2167, 2905, 4565, 4925, 6391, 6895, 10835, 14525, 15169, 16351, 22825, 31955, 34475, 54175, 75845, 81755, 114457, 159775, 179861, 379225, 408775, 572285, 899305, 1259027, 2861425, 4496525, 6295135, 31475675]

約数ペア:

[(1, 31475675), (5, 6295135), (7, 4496525), (11, 2861425), (25, 1259027), (35, 899305), (55, 572285), (77, 408775), (83, 379225), (175, 179861), (197, 159775), (275, 114457), (385, 81755), (415, 75845), (581, 54175), (913, 34475), (985, 31955), (1379, 22825), (1925, 16351), (2075, 15169), (2167, 14525), (2905, 10835), (4565, 6895), (4925, 6391)]