289351472

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{420569}}^1$

素因数の和:420620

約数の個数: 20

約数和(自身を含む): 573657480

約数和(自身を除く): 284306008

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 420569, 841138, 1682276, 3364552, 6729104, 18084467, 36168934, 72337868, 144675736, 289351472]

約数ペア:

[(1, 289351472), (2, 144675736), (4, 72337868), (8, 36168934), (16, 18084467), (43, 6729104), (86, 3364552), (172, 1682276), (344, 841138), (688, 420569)]