131816464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20443}}^1$

素因数の和:20495

約数の個数: 40

約数和(自身を含む): 283926272

約数和(自身を除く): 152109808

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 20443, 40886, 81772, 163544, 265759, 327088, 531518, 633733, 1063036, 1267466, 2126072, 2534932, 4252144, 5069864, 8238529, 10139728, 16477058, 32954116, 65908232, 131816464]

約数ペア:

[(1, 131816464), (2, 65908232), (4, 32954116), (8, 16477058), (13, 10139728), (16, 8238529), (26, 5069864), (31, 4252144), (52, 2534932), (62, 2126072), (104, 1267466), (124, 1063036), (208, 633733), (248, 531518), (403, 327088), (496, 265759), (806, 163544), (1612, 81772), (3224, 40886), (6448, 20443)]