128851190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{31973}}^1$

素因数の和:32024

約数の個数: 32

約数和(自身を含む): 257838336

約数和(自身を除く): 128987146

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 31973, 63946, 159865, 319730, 415649, 831298, 991163, 1982326, 2078245, 4156490, 4955815, 9911630, 12885119, 25770238, 64425595, 128851190]

約数ペア:

[(1, 128851190), (2, 64425595), (5, 25770238), (10, 12885119), (13, 9911630), (26, 4955815), (31, 4156490), (62, 2078245), (65, 1982326), (130, 991163), (155, 831298), (310, 415649), (403, 319730), (806, 159865), (2015, 63946), (4030, 31973)]