123.000000

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{5443}}^1$

素因数の和:5467

約数の個数: 16

約数和(自身を含む): 1306560

約数和(自身を除く): 686058

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 5443, 10886, 16329, 32658, 103417, 206834, 310251, 620502]

約数ペア:

[(1, 620502), (2, 310251), (3, 206834), (6, 103417), (19, 32658), (38, 16329), (57, 10886), (114, 5443)]