81630016

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2393}}^1$

素因数の和:2459

約数の個数: 56

約数和(自身を含む): 178774344

約数和(自身を除く): 97144328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 164, 208, 328, 416, 533, 656, 832, 1066, 1312, 2132, 2393, 2624, 4264, 4786, 8528, 9572, 17056, 19144, 31109, 34112, 38288, 62218, 76576, 98113, 124436, 153152, 196226, 248872, 392452, 497744, 784904, 995488, 1275469, 1569808, 1990976, 2550938, 3139616, 5101876, 6279232, 10203752, 20407504, 40815008, 81630016]

約数ペア:

[(1, 81630016), (2, 40815008), (4, 20407504), (8, 10203752), (13, 6279232), (16, 5101876), (26, 3139616), (32, 2550938), (41, 1990976), (52, 1569808), (64, 1275469), (82, 995488), (104, 784904), (164, 497744), (208, 392452), (328, 248872), (416, 196226), (533, 153152), (656, 124436), (832, 98113), (1066, 76576), (1312, 62218), (2132, 38288), (2393, 34112), (2624, 31109), (4264, 19144), (4786, 17056), (8528, 9572)]