221279284

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{421}}^1\times {\mathrm{1301}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 392303016

約数和(自身を除く): 171023732

約数列:

[1, 2, 4, 101, 202, 404, 421, 842, 1301, 1684, 2602, 5204, 42521, 85042, 131401, 170084, 262802, 525604, 547721, 1095442, 2190884, 55319821, 110639642, 221279284]

約数ペア:

[(1, 221279284), (2, 110639642), (4, 55319821), (101, 2190884), (202, 1095442), (404, 547721), (421, 525604), (842, 262802), (1301, 170084), (1684, 131401), (2602, 85042), (5204, 42521)]