81394782

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{1103}}^1$

素因数の和:1373

約数の個数: 48

約数和(自身を含む): 190294272

約数和(自身を除く): 108899490

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 251, 294, 502, 753, 1103, 1506, 1757, 2206, 3309, 3514, 5271, 6618, 7721, 10542, 12299, 15442, 23163, 24598, 36897, 46326, 54047, 73794, 108094, 162141, 276853, 324282, 553706, 830559, 1661118, 1937971, 3875942, 5813913, 11627826, 13565797, 27131594, 40697391, 81394782]

約数ペア:

[(1, 81394782), (2, 40697391), (3, 27131594), (6, 13565797), (7, 11627826), (14, 5813913), (21, 3875942), (42, 1937971), (49, 1661118), (98, 830559), (147, 553706), (251, 324282), (294, 276853), (502, 162141), (753, 108094), (1103, 73794), (1506, 54047), (1757, 46326), (2206, 36897), (3309, 24598), (3514, 23163), (5271, 15442), (6618, 12299), (7721, 10542)]