256837616

素因数分解:

$2^4\times 7^2\times {\mathrm{327599}}^1$

素因数の和:327621

約数の個数: 30

約数和(自身を含む): 578869200

約数和(自身を除く): 322031584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 327599, 655198, 1310396, 2293193, 2620792, 4586386, 5241584, 9172772, 16052351, 18345544, 32104702, 36691088, 64209404, 128418808, 256837616]

約数ペア:

[(1, 256837616), (2, 128418808), (4, 64209404), (7, 36691088), (8, 32104702), (14, 18345544), (16, 16052351), (28, 9172772), (49, 5241584), (56, 4586386), (98, 2620792), (112, 2293193), (196, 1310396), (392, 655198), (784, 327599)]