281918416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{13159}}^1$

素因数の和:13283

約数の個数: 40

約数和(自身を含む): 593989760

約数和(自身を除く): 312071344

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1339, 1648, 2678, 5356, 10712, 13159, 21424, 26318, 52636, 105272, 171067, 210544, 342134, 684268, 1355377, 1368536, 2710754, 2737072, 5421508, 10843016, 17619901, 21686032, 35239802, 70479604, 140959208, 281918416]

約数ペア:

[(1, 281918416), (2, 140959208), (4, 70479604), (8, 35239802), (13, 21686032), (16, 17619901), (26, 10843016), (52, 5421508), (103, 2737072), (104, 2710754), (206, 1368536), (208, 1355377), (412, 684268), (824, 342134), (1339, 210544), (1648, 171067), (2678, 105272), (5356, 52636), (10712, 26318), (13159, 21424)]