66964768

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{557}}^1$

素因数の和:614

約数の個数: 72

約数和(自身を含む): 151091892

約数和(自身を除く): 84127124

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 289, 416, 442, 544, 557, 578, 884, 1114, 1156, 1768, 2228, 2312, 3536, 3757, 4456, 4624, 7072, 7241, 7514, 8912, 9248, 9469, 14482, 15028, 17824, 18938, 28964, 30056, 37876, 57928, 60112, 75752, 115856, 120224, 123097, 151504, 160973, 231712, 246194, 303008, 321946, 492388, 643892, 984776, 1287784, 1969552, 2092649, 2575568, 3939104, 4185298, 5151136, 8370596, 16741192, 33482384, 66964768]

約数ペア:

[(1, 66964768), (2, 33482384), (4, 16741192), (8, 8370596), (13, 5151136), (16, 4185298), (17, 3939104), (26, 2575568), (32, 2092649), (34, 1969552), (52, 1287784), (68, 984776), (104, 643892), (136, 492388), (208, 321946), (221, 303008), (272, 246194), (289, 231712), (416, 160973), (442, 151504), (544, 123097), (557, 120224), (578, 115856), (884, 75752), (1114, 60112), (1156, 57928), (1768, 37876), (2228, 30056), (2312, 28964), (3536, 18938), (3757, 17824), (4456, 15028), (4624, 14482), (7072, 9469), (7241, 9248), (7514, 8912)]