2220565136

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{419291}}^1$

素因数の和:419630

約数の個数: 20

約数和(自身を含む): 4315353264

約数和(自身を除く): 2094788128

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 419291, 838582, 1677164, 3354328, 6708656, 138785321, 277570642, 555141284, 1110282568, 2220565136]

約数ペア:

[(1, 2220565136), (2, 1110282568), (4, 555141284), (8, 277570642), (16, 138785321), (331, 6708656), (662, 3354328), (1324, 1677164), (2648, 838582), (5296, 419291)]