87421568

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 189695520

約数和(自身を除く): 102273952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 107, 128, 208, 214, 416, 428, 491, 832, 856, 982, 1391, 1664, 1712, 1964, 2782, 3424, 3928, 5564, 6383, 6848, 7856, 11128, 12766, 13696, 15712, 22256, 25532, 31424, 44512, 51064, 52537, 62848, 89024, 102128, 105074, 178048, 204256, 210148, 408512, 420296, 682981, 817024, 840592, 1365962, 1681184, 2731924, 3362368, 5463848, 6724736, 10927696, 21855392, 43710784, 87421568]

約数ペア:

[(1, 87421568), (2, 43710784), (4, 21855392), (8, 10927696), (13, 6724736), (16, 5463848), (26, 3362368), (32, 2731924), (52, 1681184), (64, 1365962), (104, 840592), (107, 817024), (128, 682981), (208, 420296), (214, 408512), (416, 210148), (428, 204256), (491, 178048), (832, 105074), (856, 102128), (982, 89024), (1391, 62848), (1664, 52537), (1712, 51064), (1964, 44512), (2782, 31424), (3424, 25532), (3928, 22256), (5564, 15712), (6383, 13696), (6848, 12766), (7856, 11128)]