2011806979

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1300457}}^1$

素因数の和:1300494

約数の個数: 16

約数和(自身を含む): 2621723328

約数和(自身を除く): 609916349

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 1300457, 9103199, 16905941, 22107769, 118341587, 154754383, 287400997, 2011806979]

約数ペア:

[(1, 2011806979), (7, 287400997), (13, 154754383), (17, 118341587), (91, 22107769), (119, 16905941), (221, 9103199), (1547, 1300457)]