1239561866

素因数分解:

$2^1\times {\mathrm{659}}^1\times {\mathrm{769}}^1\times {\mathrm{1223}}^1$

素因数の和:2653

約数の個数: 16

約数和(自身を含む): 1866110400

約数和(自身を除く): 626548534

約数列:

[1, 2, 659, 769, 1223, 1318, 1538, 2446, 506771, 805957, 940487, 1013542, 1611914, 1880974, 619780933, 1239561866]

約数ペア:

[(1, 1239561866), (2, 619780933), (659, 1880974), (769, 1611914), (1223, 1013542), (1318, 940487), (1538, 805957), (2446, 506771)]