205121208448

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{123269957}}^1$

素因数の和:123269984

約数の個数: 32

約数和(自身を含む): 440073750060

約数和(自身を除く): 234952541612

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 123269957, 246539914, 493079828, 986159656, 1602509441, 1972319312, 3205018882, 3944638624, 6410037764, 7889277248, 12820075528, 15778554496, 25640151056, 51280302112, 102560604224, 205121208448]

約数ペア:

[(1, 205121208448), (2, 102560604224), (4, 51280302112), (8, 25640151056), (13, 15778554496), (16, 12820075528), (26, 7889277248), (32, 6410037764), (52, 3944638624), (64, 3205018882), (104, 1972319312), (128, 1602509441), (208, 986159656), (416, 493079828), (832, 246539914), (1664, 123269957)]