289947778

素因数分解:

$2^1\times {\mathrm{271}}^1\times {\mathrm{509}}^1\times {\mathrm{1051}}^1$

素因数の和:1833

約数の個数: 16

約数和(自身を含む): 437800320

約数和(自身を除く): 147852542

約数列:

[1, 2, 271, 509, 542, 1018, 1051, 2102, 137939, 275878, 284821, 534959, 569642, 1069918, 144973889, 289947778]

約数ペア:

[(1, 289947778), (2, 144973889), (271, 1069918), (509, 569642), (542, 534959), (1018, 284821), (1051, 275878), (2102, 137939)]