87347975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 129929184

約数和(自身を除く): 42581209

約数列:

[1, 5, 11, 13, 25, 53, 55, 65, 143, 265, 275, 325, 461, 583, 689, 715, 1325, 2305, 2915, 3445, 3575, 5071, 5993, 7579, 11525, 14575, 17225, 24433, 25355, 29965, 37895, 65923, 122165, 126775, 149825, 189475, 268763, 317629, 329615, 610825, 1343815, 1588145, 1648075, 3493919, 6719075, 7940725, 17469595, 87347975]

約数ペア:

[(1, 87347975), (5, 17469595), (11, 7940725), (13, 6719075), (25, 3493919), (53, 1648075), (55, 1588145), (65, 1343815), (143, 610825), (265, 329615), (275, 317629), (325, 268763), (461, 189475), (583, 149825), (689, 126775), (715, 122165), (1325, 65923), (2305, 37895), (2915, 29965), (3445, 25355), (3575, 24433), (5071, 17225), (5993, 14575), (7579, 11525)]