71509984

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1889}}^1$

素因数の和:1932

約数の個数: 72

約数和(自身を含む): 174318480

約数和(自身を除く): 102808496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 1183, 1352, 1456, 1889, 2366, 2704, 2912, 3778, 4732, 5408, 7556, 9464, 13223, 15112, 18928, 24557, 26446, 30224, 37856, 49114, 52892, 60448, 98228, 105784, 171899, 196456, 211568, 319241, 343798, 392912, 423136, 638482, 687596, 785824, 1276964, 1375192, 2234687, 2553928, 2750384, 4469374, 5107856, 5500768, 8938748, 10215712, 17877496, 35754992, 71509984]

約数ペア:

[(1, 71509984), (2, 35754992), (4, 17877496), (7, 10215712), (8, 8938748), (13, 5500768), (14, 5107856), (16, 4469374), (26, 2750384), (28, 2553928), (32, 2234687), (52, 1375192), (56, 1276964), (91, 785824), (104, 687596), (112, 638482), (169, 423136), (182, 392912), (208, 343798), (224, 319241), (338, 211568), (364, 196456), (416, 171899), (676, 105784), (728, 98228), (1183, 60448), (1352, 52892), (1456, 49114), (1889, 37856), (2366, 30224), (2704, 26446), (2912, 24557), (3778, 18928), (4732, 15112), (5408, 13223), (7556, 9464)]