291201394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{128509}}^1$

素因数の和:128625

約数の個数: 16

約数和(自身を含む): 481141440

約数和(自身を除く): 189940046

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 128509, 257018, 1413599, 2827198, 13236427, 26472854, 145600697, 291201394]

約数ペア:

[(1, 291201394), (2, 145600697), (11, 26472854), (22, 13236427), (103, 2827198), (206, 1413599), (1133, 257018), (2266, 128509)]