289298876

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{20029}}^1$

素因数の和:20213

約数の個数: 24

約数和(自身を含む): 531676320

約数和(自身を除く): 242377444

約数列:

[1, 2, 4, 23, 46, 92, 157, 314, 628, 3611, 7222, 14444, 20029, 40058, 80116, 460667, 921334, 1842668, 3144553, 6289106, 12578212, 72324719, 144649438, 289298876]

約数ペア:

[(1, 289298876), (2, 144649438), (4, 72324719), (23, 12578212), (46, 6289106), (92, 3144553), (157, 1842668), (314, 921334), (628, 460667), (3611, 80116), (7222, 40058), (14444, 20029)]