257193610

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{196331}}^1$

素因数の和:196469

約数の個数: 16

約数和(自身を含む): 466484832

約数和(自身を除く): 209291222

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 196331, 392662, 981655, 1963310, 25719361, 51438722, 128596805, 257193610]

約数ペア:

[(1, 257193610), (2, 128596805), (5, 51438722), (10, 25719361), (131, 1963310), (262, 981655), (655, 392662), (1310, 196331)]