208545868

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{2027}}^1$

素因数の和:2154

約数の個数: 36

約数和(自身を含む): 392235480

約数和(自身を除く): 183689612

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 289, 356, 578, 1156, 1513, 2027, 3026, 4054, 6052, 8108, 25721, 34459, 51442, 68918, 102884, 137836, 180403, 360806, 585803, 721612, 1171606, 2343212, 3066851, 6133702, 12267404, 52136467, 104272934, 208545868]

約数ペア:

[(1, 208545868), (2, 104272934), (4, 52136467), (17, 12267404), (34, 6133702), (68, 3066851), (89, 2343212), (178, 1171606), (289, 721612), (356, 585803), (578, 360806), (1156, 180403), (1513, 137836), (2027, 102884), (3026, 68918), (4054, 51442), (6052, 34459), (8108, 25721)]