280552064

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{168601}}^1$

素因数の和:168628

約数の個数: 32

約数和(自身を含む): 601909140

約数和(自身を除く): 321357076

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 168601, 337202, 674404, 1348808, 2191813, 2697616, 4383626, 5395232, 8767252, 10790464, 17534504, 21580928, 35069008, 70138016, 140276032, 280552064]

約数ペア:

[(1, 280552064), (2, 140276032), (4, 70138016), (8, 35069008), (13, 21580928), (16, 17534504), (26, 10790464), (32, 8767252), (52, 5395232), (64, 4383626), (104, 2697616), (128, 2191813), (208, 1348808), (416, 674404), (832, 337202), (1664, 168601)]