2155778399

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1\times {\mathrm{3911}}^1$

素因数の和:4430

約数の個数: 16

約数和(自身を含む): 2309018880

約数和(自身を除く): 153240481

約数列:

[1, 19, 67, 433, 1273, 3911, 8227, 29011, 74309, 262037, 551209, 1693463, 4978703, 32175797, 113462021, 2155778399]

約数ペア:

[(1, 2155778399), (19, 113462021), (67, 32175797), (433, 4978703), (1273, 1693463), (3911, 551209), (8227, 262037), (29011, 74309)]