641764864

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{96419}}^1$

素因数の和:96450

約数の個数: 40

約数和(自身を含む): 1380927240

約数和(自身を除く): 739162376

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 96419, 192838, 385676, 771352, 1253447, 1542704, 2506894, 3085408, 5013788, 6170816, 10027576, 12341632, 20055152, 24683264, 40110304, 49366528, 80220608, 160441216, 320882432, 641764864]

約数ペア:

[(1, 641764864), (2, 320882432), (4, 160441216), (8, 80220608), (13, 49366528), (16, 40110304), (26, 24683264), (32, 20055152), (52, 12341632), (64, 10027576), (104, 6170816), (128, 5013788), (208, 3085408), (256, 2506894), (416, 1542704), (512, 1253447), (832, 771352), (1664, 385676), (3328, 192838), (6656, 96419)]