81207153482

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{720829}}^1$

素因数の和:721470

約数の個数: 32

約数和(自身を含む): 150163305600

約数和(自身を除く): 68956152118

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 619, 1238, 4333, 8047, 8666, 16094, 56329, 112658, 720829, 1441658, 5045803, 9370777, 10091606, 18741554, 65595439, 131190878, 446193151, 892386302, 3123352057, 5800510963, 6246704114, 11601021926, 40603576741, 81207153482]

約数ペア:

[(1, 81207153482), (2, 40603576741), (7, 11601021926), (13, 6246704114), (14, 5800510963), (26, 3123352057), (91, 892386302), (182, 446193151), (619, 131190878), (1238, 65595439), (4333, 18741554), (8047, 10091606), (8666, 9370777), (16094, 5045803), (56329, 1441658), (112658, 720829)]