72457216

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{5443}}^1$

素因数の和:5476

約数の個数: 44

約数和(自身を含む): 156014152

約数和(自身を除く): 83556936

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1664, 3328, 5443, 6656, 10886, 13312, 21772, 43544, 70759, 87088, 141518, 174176, 283036, 348352, 566072, 696704, 1132144, 1393408, 2264288, 2786816, 4528576, 5573632, 9057152, 18114304, 36228608, 72457216]

約数ペア:

[(1, 72457216), (2, 36228608), (4, 18114304), (8, 9057152), (13, 5573632), (16, 4528576), (26, 2786816), (32, 2264288), (52, 1393408), (64, 1132144), (104, 696704), (128, 566072), (208, 348352), (256, 283036), (416, 174176), (512, 141518), (832, 87088), (1024, 70759), (1664, 43544), (3328, 21772), (5443, 13312), (6656, 10886)]