257021736

素因数分解:

$2^3\times 3^1\times {\mathrm{10709239}}^1$

素因数の和:10709248

約数の個数: 16

約数和(自身を含む): 642554400

約数和(自身を除く): 385532664

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 10709239, 21418478, 32127717, 42836956, 64255434, 85673912, 128510868, 257021736]

約数ペア:

[(1, 257021736), (2, 128510868), (3, 85673912), (4, 64255434), (6, 42836956), (8, 32127717), (12, 21418478), (24, 10709239)]